Return to Maurice Papo
From http://ibm-1401.info/OralHistory_MPapo_1968.pdf

Comments:
   - "P." is Maurice Papo
   - "S." is Larry Saphire
   - The original transcription used "Bull Gama III"
             which I corrected to "Bull Gamma 3". Click for a descriptive web site.
   - #n. is the document page number.


#1.
     This is IBM Interview TC-5O in the IBM Oral History of Computer 
Technology, Larry Saphire interviewing Mr. Maurice Papo at Nice, France on January 
29, 1968.
     S. We want to talk about two things today and one is the environment 
in which the early computer development in the late '40's and early '50's
took place in France and what was France's reaction and secondly, the development 
of the WWAM machine. Why don't we just smart off talking a little bit 
about the computer environment, if any existed, when you first came to the 
company. What year did you start working for IBM?
     P. I started working for IBM in 1D54.
     S. What was your background?
     P. Well I was just out of college at that time and had two engineering 
degrees, one from the "Ecole Polytechnique" (1951)
and one from the "Ecole Nationale Superieure des Telecommunications" (1954)
and I had some computer training in my military experience which was anti- 
aircraft computers and I joined IBM as my first employer. Now at that time 
IBM had the 604 in the market and I understand the 604 was very successful 
in the United States but was not so successful in Europe and mainly in France 
and Germany. Now the reason for that is because of competition from a
company named Bull and Bull had come up with several things which made life

#2.
difficult for IBM. One was a computer named Gamma 3 which was clearly 
superior for the money to the customer, to the IBM 604. but that was not the 
main problem. The main problem is that this computer had the ability of having 
a tabulating machine connected to it where IBM did not, on the 604. And that 
was the environment. Now the IBM environment was also interesting to note 
and that is that during the war, IBM France had been cut off of course from
the United States and in order to be able to live had somewhat doubled up the 
small kind of laboratory and just after the war the import restrictions made 
it quite impossible to import the 407 tabulator from the United States and 
the tooling of the 407 tabulator, or tabulating machine was so it would be too
high to be justified, in the European market. Therefore we were in a situation 
where there was a need for a tabulating machine similar to the 407. We could 
not import the 407 from the States and we could not afford the tooling to- 
manufacture it in Europe. So the French laboratory at that time learned to 
double up the tabulating machine which had roughly the same characteristics 
as the 407 but which had .... or which required less tooling and came up
with a machine known as the 421 which is still widely used in Europe instead 
of the 407. So there was this know-how available in the D31/1 environment 
and this pressure from competition.

     S. When was the 421 developed, in what year, do you recall?

#3
     P. No I don t. I don't think we would have too much trouble finding it 
but I don't have it at my fingertips.
     S. Did you ever find out why the 421 required less tooling?
     P Oh yes, because the tooling problem was because of the print wheel 
of the 407 required extensive tooling and the 421 was based on an upgrading 
of the type bars. .... was based on an upgrading of the ........  bars which
were already used in the ........
     S. Which you bad resisted already.
     P. The tooling somewhat existed but the modifications to that tooling 
were not as important as the new tooling of the 407. But it was a new machine 
electrically quite a different machine from whatever existed before, with tool- 
 ing and engineering work I mean.
     S. This report that you just gave me to read earlier today mentioned 
something about there being less of a need for speed printing in France than 
into United States. What was that a function of, that need for a lesser speed 
of printing?
     P. I don't really know and I'm not sure I agree with the statement 
by the way.. I don't really know. The point that I was making is that there
was a need for something different and that that need occurred in two areas.

#4.
One is the banking area. Banking in France and in Germany is much more 
complicated than banking in the States, and the availability of that Bull Gamma 3
hooked up to a tabulator made dealing with those banking problems much
easier and therefore there was a strong pressure to have the same thinking here. 
   S. That's because they compute the interest daily, is that right?
   P No, it is because of a very complicated thing. First of all, they have 
a totally different way of computing interest. I think if we take one example 
it is called the ................ ............. which means that your 
account can be debitory which is never the case I understood in the States.
You can owe the bank money at some times.
   S. It is now with the credit system.
   P. But the interesting part was that it wasn't at that time, the interest- 
ing part is that if you owe the bank money for one day, you pay interest as if 
you had owed that money to the bank for the full period under which
they compute the interest rate. And therefore the amount of money on which 
you pay the interest is the highest amount that you ever owed to the bank 
during that period. So first you had to determine and let's assume, you. do that 
during six months, you had to determine during that full year which was the 
day at which you owed the bank the greatest amount of money and after you've

#5.
you've done that then apply the interest rate.
    S. That's pretty good for the banks.
    M. It's pretty good for the banks and that happens to be the system they 
were using. This is only one aspect. The banks in France do lots of things 
that banks don't do in the States. For instance, all the banks are brokers.
You go to the bank and you can buy stock of any kind. They are regular brokers. 
So it is a more complicated thing. The next application was the electricity 
billing which was in some ways complicated and could make use of that hook-
up of the Gamma 3 to the tabulating machine. Then the Bull had also other 
advantages because they had some mechanical links between the tabulators 
and the summary punches which made possible to key punch summary cards 
without loss of cycle. All this is going to the same direction which is that 
their machine was more efficient. And also to the fact that although the 
domestic organization could use that equipment, they didn't have the same 
pressure for having that. So that's the environment from the market side. 
From the engineering side we see that IBM France there is some engineering 
talent and they are resenting that pressure. So the idea came to respond
to that pressure by doing several things and they undertook to first hook up 
the 421 to the 6O4 which they did, and that was a very successful counter- 
measure to the Bull Lama III tabulator hook-up. Then they found that the

#6.
memory was not enough and they devised an additional relay memory to in- 
crease the memory size of the 604 within the hook-up.
  8. Was that a special French development?
  P. Yes it was a special French development but sold all over
Europe because Bull Gamma 3 was sold over Europe and that thing was respond- 
ing to this.
  S. What was the memory called?
  P. I think it was called relay memory. I'm not sure.
  S. Was it a box?
  P. It's a box with relays is it that acted on memory.
  S. Did you work on that by any chance?
  P. I did work on it at the end of it. I worked on the modification of 
the 604 and on the hook-up and on the insert relay.
  S. Were there any problems with that hook-up of the 421 and the 604?
  P. Well not really except it was a patch job whore you add something
to existing stuff without really thinking it through from the beginning. In other 
words, it is a good counter-measure to a stop gap kind of situation but not
a very intelligent long range plan.
  S. Were you familiar with the CPC, with the Card Programmed Calculator?

#7.
which is a hook-up between the 403 or the 7 and the 604?
   P. That's right but that was a much more expensive machine and 
was not really directed toward the same market at all. Now for the same
reason again, the French laboratory at that time worked on another machine 
which was the 626 and that machine had electronic computing ability put
into a 402 calculating punch, the same thing again, answering the pressure 
from those who had no off-line summary punch, etc. We did include also
the 421 tabulating machine which as I recall corresponded to the 407 by doing 
several things to it. We added electronic ability and that made the electronic 
421 in it. There was one version called the_441 with two reading heads, again 
to try to follow that very hard competition front Bull and the pressure from the 
market to meet it someplace. They really wanted something more sophisti- 
cated than just the 604 that IBM was offering. So the more the laboratory
was working on patches, the more the management of IBM France became 
concerned about the fact that something should be done in a more orderly 
and long range plan way and there, were .a lot of meetings between the French 
company management and the IBM management in the States to the effect
where the French management were acting as what we would call today Product 
Planning functions, were trying to convince the IBM Corporation that it could 
not possibly be that such needs exist in Europe and not in the States. They

#8.
would happen to come out some day in the States and the sooner we work on it 
the better we'll be prepared. And finally that point came across and the 
decision was taken in a famous conference. I don't recall the name .... it 
was in some hotel in New York and it is referred to by very many people
as the Hotel, whatever the name is, conference where the decision was made 
to explore really the possibility of doing something which would be a long 
range plan to solve that Gamma 3 competition. Now what's interesting is 
almost the same time came the transistor technology. Now not very many 
people in IBM knew what transistors were nor what the cost would be, except 
we thought it was the answer to all problems. And at the time when this 
study was launched for the new machine, we didn't know really what it was 
going to be but it had to have computing ability, printing ability, summary
punching ability and the idea was well if those transistors are cheap, let's 
have an idea and I will to at the possibility of building this new machine 
transistorized. So a group of people .... of systems people came from the 
States to Europe and gathered with a group of people from, the European 
laboratories and may at that time Germany and France, to see what could 
be done in that area. And there had been several different directions 
which had been explored at the same time. That is what makes the history 
a little confusing. What direction of the technology direction do we use for



#9.
 ......    circuits? Do we use transistors or tubes? Many people today
forget that we looked at the possibility of using tubes very seriously and de- 
cided on transistors because of wrong information we had which is very funny. 
If we had had the right information at that time we might have taken the wrong 
decision because we thought that transistors were going to be much cheaper 
than they actually were at the time when we started building the machine.... 
But on a long range term as you know, it was still a good decision. But we 
looked at tubes and transistors from what we knew, and that was very little.
it is important to note that it was very little systems wise that we knew.
   S. What made you think that transistors. were going to be cheap?
   P. This was an assumption, that people coming from the States were 
the only ones who had some experience or at least some exposure to transistor 
circuits and they came with some assumptions. We decided we're not going
to discuss the assumptions and one of the assumptions was transistor cost. I don't 
recall what the figures were but we probably could find them out and we took
those assumptions and worked for this from there. But that first 
direction was electronic circuitry technology. The second direction was
logic, architecture of the system and the third direction was I/O, what kind 
of printers, etc. will you use? And as far as I/O is concerned, we came

#10.
As far as I/O is concerned, we came very quickly to the idea that the best 
mechanical experience was in the German laboratory and the best machine
 to be ...... Was to be based or expanded from a stick printer 
project where one stick was spinning around printing in the space. So the 
German laboratory was given the responsibility almost from the start to work 
on that printer/reader and the speed had to be clearly faster than
anything we had and we decided to shoot for something in the neighborhood 
of 300 lines per minute. Now remember we were at 150 so we felt this was
good enough. And that was settled pretty fast although that project never went 
further than building one model which had been tested with the WWAM machine. 
That was not successful but it was the first decision that we reached as a 
group. As far as the figures were concerned, we had had lots of direction. 
First we thought we were going to use handmade circuits, you know, each 
group building its own system. And the first estimates which were done 
actually implementing the logic approaches were done by each logic group 
debugging the transistor circuits. Later on I'll go back to the logic afterwards
because I think that's the main point, later on when the German/French/American 
group moved to Endicott and Poughkeepsie in order to further study the thing,
then we had exposure to a circuit work which was done in Poughkeepsie which

#11.
was  the MAC Program. MAC was Modular Accounting Calculator or
something like and that was a series of standard
circuits that we were going to use. So that was the second decision. We 
were going to use those standard circuits.
   S. Transistorized?
   P. Transistorized. We practically didn't send too much time 
on tubes. It was really a very soon decision to use transistors and
later on among the transistor circuits, to use the MAC Program circuits. 
Now the logic to be used had not been decided so easily. There were three 
approaches to the logic. Two of them were a fixed word length, that was the
American and the German and they differed from the architecture within
the machine. The French proposal was a variable word length with something 
really new in the concept which was it was a plugboard machine that we came 
out with at the beginning to be able to do with one plugboard as much as possible. 
That was the problem. The stored program machine was investigated at the
very beginning of the project and we still have estimates in the file and it 
was ruled out because of the cost of memory. Therefore we said it had to 
be plugboard. On that plugboard the big problem is a 421 plugboard
or a 407 was already a mess of wires. So what can you do when you already
have a mess of wires like that? And that's when the first idea came we're

#12.
going to have a plugboard where you plug in only the exceptions. So we're going 
to devise a machine which has been .... to do automatically most of
the jobs which normally are done and you're going to plug the exceptions. 
For instance, if we have variable word lengths., then we'd better start add at 
one position and the machine will go now on adding until it hits the exception 
which will tell it to stop. You don't have to plug every position.
On the sequence of the program steps, the machine will follow the sequence 
1, 2, 3, 4. It's only when you hit a change that it will not follow the normal
sequence and that reduced the wiring of the machine tremendously to the point 
that on a regular 421/407 plugboard, we could have three readers,
one punch, one printer hooked up to the computer and that was just 
completely impossible with the old technique of cabling every brush, etc. 
And that I think is the main change in the philosophy, looking for that way 
to give instructions to the machine with a minimum number  of wires led to 
the development of the logic of the one machine as it was. And the day the 
cost of memory changed, which incidentally happened to be also the time 
at which the cost of the MAC Program circuits started to change also,
made the one machine not  ......         any more because the circuit 
cost went up and the cost of memory went down and the group in the States

#13.
now picked up this thing, saying now we have a different economics problem 
now. We can afford memory so why bother with all the contact problems
of having a plugboard. But we can still keep the same logic in order to make 
within the machine the greatest efficiency of both the memory and the instruc- 
tion set.
  S. The cost of the logic went up because of the transistor cost that had 
not been foreseen.
  P. No because the MAC Program circuits had been dropped. That 
program was dropped and therefore you had either to pick up the whole program 
cost of one machine whereas before it was supposed to be spread over a
series of machines.
  S. I see.
  P. And that's the same time that the memory cost went down and 
SMS circuitry went up.
  S. And SMS circuitry was going up simply because we hadn't found 
out how to make transistors .....
  P. No because the MAC Program was just not a good ........
  S. I see. The circuit design was the problem. Well since these un- 
expected circuits... circumstances... why wasn't the decision made at that


#14
Time to switch the whole logic to WWAM which eventually of course was done 
in the 1401, right?
     P.  I'm not sure. If you look at the 1401 logic ..... if you had taken
the WWAM there are two assumptions.  One, change it into its old program 
and that is quite an assumption. (change it into a stored program... and 
that is quite an assumption) That is quite a change. Let's
not minimize it. But that is because memory cost had gone down. Every- 
body has always agreed from the beginning that the stored program was 
better except that it couldn't be afforded in the previous cost. Now we can 
afford it so let's change it to the stored program. Second, change
it so SMS circuits. Any group would have come up with the card version
of the 1401. They make the step upward which is the tape version. But the 
card version of the 1401 I would say any group being given the job of taking the 
WWAM  machine and changing it to stored program and SMS circuit would have 
come up with something very close to the 1401. So it's not the same group 
and understandably so. Because at the same time in the States, there was
all the experience of the SMS coming out and the people in France didn't
have that experience. It involved a lot of experience going back over the ocean 
that we didn't have and we didn't know how to handle that so well before and we

#15.
could have done it but probably not within the same time scale. And then
it was still the practice in the company which has been decreasing nowadays, 
but it was still very strongly in force at that time to have some competition 
between the labs.
   S. The old Endicott thing.
   P And with that there was definitely some competition between the 
group in Endicott, who had lost the initial WWAM Program to the
French and were pretty happy to take it back with a very strong systems 
advantage. So that is the first part of it. What that group has contributed 
terribly or tremendously is by seeing now that the fact that it had a stored 
program there was no reason not to limit to those three readers and printers 
that were planned inn the WWAM and let's put the tapes, disks and all the 
gadgets ........ which made the 1401 a really powerful 
computer, instead of just an electronic accounting machine.
   S.  Well obviously this has occurred in the transition of ideas, right? 
Was it this difficulty in communication or this competition that allowed the 
WWAM to go on until it was finally ended?
   P. No because the decisions were based only on .......  
and that a very important thing. The basic costs that nobody knew, that's the 
problem. Nobody really knew the cost of transistor signals. Nobody really

#16.
knew the cost of memory. It was just projection. And depending on how 
you project, one solution was a good one and the other one was bad or vice 
versa.
        S. Based on cost.
        P. Based on cost. Now there were some people in the French labora- 
tory who were very resentful of the 1401 switchover because they had gotten 
before and not very long before, an estimate of the WWAM cost if WWAM 
was to be so programmed. And for that cost estimate they had requested 
costs from the States because they were not allowed to make assumptions on 
cost, since the units were to be manufactured in the States. So they
were given back unit costs for memory units and unit costs for circuits which    
showed clearly that you couldn't build the WWAM with a stored program.
Now two months or six months later, I don't recall the time scale and it does     
not matter, you see a project corning back from the States, saying fellows    
we can do twenty times better with the stored program because now it's 
cheaper. Now it's cheaper because some other projection has coma up and 
some new developments on which they had no control on this side of the ocean      
or no knowledge as a matter of fact.
        S. Well what was it that made memory cost cheaper?
        P. I don't ready know. I don't happen to recall.

#17.
      S. Well when you found out that suddenly memory was becoming cheaper 
and transistor circuits were becoming relatively more expensive, now I may 
have asked this question before but what was the reaction here when
that move came or didn't it come clearly enough?
    P. ..........   Well honestly I think it is reasonable to say
that there was some hard: feelings but whether it is true or not, it is impossible, 
to define. I mean how far does reasonable competition between laboratories 
go? This is something that cannot be really determined or assessed with
that knowledge. But it still remains the basic fact that with this new tech- 
nology -- SMS  and the new memory that was coming out, even if the 
management had been willing to I don't think that it was possible to make 
the 1401 development with in the same time scale in France because it was 
not firmed yet and those things were going in parallel in the States. Where 
here they need to be firmed. before they could be transmitted back 
across the Atlantic, etc. And one of the lessons that we learned from that 
story is on bow to improve communications in order to avoid this problem 
in the future. And we've been very slow in possibly improving that but I 
think for instance today we have come a very long way into improving that 
communications pass to the point that if you take the 360 story, the first 
330 unit to be put into the customer's hand was the 300 Model 40 and it was

#18.
engineered in Europe which means that that lesson had been good enough 
so that ten years later we were able to overcome that basic fundamental. 
problem.
   S.  Well why do you think, that problem existed? Was it simply because 
of the competition?
   P. No I think the communication links were not established as well as 
they are today. And we were just at the beginning, remember? A few year 
before there we no communications whatsoever and it was just after the war 
and no communications at all and they were just really starting and lots of 
people didn't realize that we were in such a mode of flux. When the engineers 
came back from the States with the MAC Program circuits to Europe they had 
a nice, well-bound book. I always remember it was a red book with gold-
... the letters 'were in gold on the cover and it said "MAC Program Circuits." 
And the guys thought that this was it. If we spent so many dollars developing 
those it was impossible that the company wouldn't go buy those cir- 
cuits. And therefore they didn't even bother periodically checking whether 
this was still the answer. Today if we have a program similar to that one,
or when we had the Model 40 program in England, we had one guy of the
team in the States right in the circuit group to get the last minute information 
as to whether those circuits are changing or not. If the availability date is 
still the same, if the cost of that circuit is still the same, if the cost picture 
changes, then he'll phone back and say; fellows you may want to change

#19.
your logic, because the cost of the circuits is changing. And we just didn't 
know that at that time. We were just learning. We thought the book was well- 
bound and that was final and the price tags were given with the book and we 
thought this couldn't be changed a bit.
   S. Well of course this comes from depending on the States for various 
components, right?
   P. Right.
   S. So that you also depended on the States for accurate information 
concerning the cost of them.
   P. That's right. It is still very much the case. Its not completely 
the case. But now we know how to handle that problem and before we didn't.
   S. And that's why you're always traveling around so much now.
   P. Unfortunately I think this may be one of the reasons. Now it's funny, 
it's not the same problem but it may relate to it. It seems to me that there's 
one study to be made on how people can communicate and it probably is to 
everybody that something that we have to handle by mail may require months 
to be settled or if you write cables it may require weeks and if you nick up
the phone you may do it in several days but if you have the guy in front of 
you, you may do it in a few minutes. And this is not because of the turn

#20.
around time of the letter, it is just because apparently there is something  
beyond what you write which makes people who are one in front of the other 
comprehend what the other guy is meaning. And if IBM has any way of better 
understanding that process, in order to eliminate the need for people to travel 
across the ocean in order to get themselves understood by meeting, then
we would save the company a great deal of company money and then probably 
improve our growth tremendously,
  S. And not only on the technological problems...
  P. On all the problems, on all the problems. Whenever the problem 
is very complicated, not because of political reasons or personal feelings, 
it is just a complicated problem technically or any other way, if you start  
writing your opinion, first you take a long time to write it. You're never 
happy with what you've written and never reflect your opinion the way you 
should or the way you think it should, And then when the guy on the other 
side of the ocean reads it, he doesn't understand exactly those things that 
you wanted to write. But if you put those two guys one in front of the other
in ten minutes they understand each other, even if one doesn't speak English 
very well. It is interesting to try and understand why this is so.
  S. And this is precisely what didn't happen with the WWAM Program.

#21.
   P. And that's what then happened. The group worked together in Sindelfingen 
at the beginning. Everybody worked together. In Poughkeepsie and Endicott
it was still one group. And then at some point it was decided that all the 
decisions were taken. The WWAM way was the way to go. The WWAM logic 
was the logic to go. The German printer was the printer to go. The MAC 
Program circuits were the circuits to take and now everybody else went
his own direction and worked on those assumptions as if they could never 
change. The German group worked on its printer all the way through. The 
French group worked on those circuits and that logic all the way through 
and nobody really was on top of deciding every minute whether this decision 
taken a year ago was still the right  decision from the new facts or not and 
that was the basic error, in my opinion.
   S. Well has the WWAM experience had an effect as you implied before 
on current ways of doing something? Can you trace that back to the WWAM?
   P. Oh I'm sure it did. I'm sure it did at least to all the people involved 
in it on both sides of the ocean.
   S. Certainly to you because you were deeply involved in it.
   P. Oh yes and on both sides of the ocean. I meet people who have 
been involved in the WWAM Program every day and it has changed to quite

#22.
some extent their way of thinking. To the Europeans it has brought a better 
understanding on how to deal with progressive decisions, if I can. it like 
that. Asking yourself the question every day is my yesterday's decision 
still valid? And giving some of the domestic friends a new insight on how 
things can be done in Europe and different ways of thinking.
  S. Nevertheless the WWAM in those days continued on beyond the point
 .....

  P. It did and that's an interesting point to because if you're really 
really trying to trace why it did, I'm not sure I have the right answer. Part 
of it is because of that competition. There were still enough feelings that
they wanted to prove kind of in the French laboratory they could build this machine 
and make it work. And as a matter of fact, it was used as the laboratory 
computer for two or three years after completion.  ...............
The only thing which didn't work in that prototype was the German printer
  had too much servicing to be done. It needed too many improvements 
which were not justified when the program was dropped, which could have 
been incorporated but were not justified. So in order to have an output, a 
421 was hooked up to the electronic unit of the WWAM and that was used
as the laboratory computer for several years. As a matter of fact, the basis

#23.
for the early work that as done in the French laboratory on line tests and 
modems, used the WWAM for determining all the subsequent line characteristics 
all over Europe 
     S. So WWAM was basically conceived as a commercial machine. 
     P. Yes. It had computing ability.
     S. It had scientific ability.
     P. Well it applied the same ability to the 1401. Remember the logic
is very close to it, very, very close. It is extremely different at first because 
one is stored programming and has lots of other possibilities because of that,
But it is a translation. Now another possibility I was referring to is why
this program was continued. It is just because maybe management wasn't so
sure about the account trade-off. I don't know. And if the account trade-out's 
were not right, you might have one or two go back to plugboards. So I don't 
know what part of that is true now or what influence it may have. And a third 
possibility which certainly was in there is that there was enough good work 
done and put into the WWAM machine itself so that it would be documented and 
tested out and there have been a very large number of reports written on
the WWAM tests results. By the way, the MAC Program, the circuits 
in the MAC Program did not go to the point of defining also the packaging.

#24.
    And the French group had therefore to work on the packaging. And they worked
    ....... packaging which has a lot of similarities with the present 
    SLT packaging. Of course every proportion being kept. It's not as good.
    It has two thousand drawbacks. But if you think that this was done in '50, it was very 
    advanced packaging and that brought also a number a good experiences and 
    interesting test results on packaging.
       S. Did that have any influence on the results of SLT?
       P. Well SLT is still much afterwards. It couldn't really have any 
    influence except through people who worked on one and had that in their minds. 
    But no direct influence.
       S. There are two things I'd like to talk about and that is one print- 
    editing device and two, the parallel between the WWAM. logic and the 1401 
    logic.
       P. Well on the print-editing again it was forced by the rule I gave you 
    at the beginning. The idea is to plug only the exceptions. You can't afford 
    to plug everything. And if you look through all the print-editing instructions
    that were built on the one, you will find that this is their motive. The second 
    thing is the scanning backwards and forwards eliminates 0's and inserting 
    codes is also being brought out by the need of haying a nice field printed out
 

#25.
...... printed out with 0's suppressed and the fact that it was variable word
length and you didn't want to, plug everything. You cm2 trace practically 
every gadget if  I may call it like this or every appealing thing on the WWAM
logic to the fact that we wanted to take every advantage of every memory posi- 
tion we had because this memory was expensive and therefore variable word 
length, every plugboard we had because one plugboard was expensive. It was expensive two ways. One because pulses going through were transistor 
pulses and therefore required voltage contact and second because in order
to draw all the ........ of the wiring, we had to have power transistors at 
the end of each hub. Therefore we had to make every hub worth its money 
and we had to make every position of storage worth its money. And all the 
logic is built again around getting the most efficiency out of each memory
position and each plugboard hub. And of course when you take that and you 
put that into a stored program, you got efficiency into the stored program.
   S. So this was done .....
   P. The logic. ....
   S. How was that done?
   P. Well I couldn't really comment on that because I was not connected 
too closely with the translation to the 1401. I can tell you that the guys in

#26.
Patent tell me and seeing it with a Patent eye and that's a different way than 
an engineering eye, they say that the 1401 logic is fully covered by the WWAM 
logic with the exception of a few improvements on it but no basic patents...,
But I'm not really the one to comment on that at all.
    S.  Sometimes in machine development which tends to have to along 
certain lines you get independent developments, even though they appear to
be related on the surface, in actuality the guy who figured one out or the other 
out did not have anything to do with each other and they figured out indepen- 
dently. Was that the case with the WWAM and the 1401?
     P. Oh not at all. The 1401 group was working with the WWAM group
all the way through. It was the same group of people .They had constant draw- 
ings that we sent to them every week. They were kept up-to-date. They had 
the mission to be kept up-to-date and that the mission to follow up the 
WWAM Program.
      S. At this point when the 1401 was being developed out of the WWAM,
were you still on that project or had you gone off to other things?
      P. No I was still on that project. I followed it all the way through. 
I went to Poughkeepsie and Endicott and back to the French laboratory to 
build it.
      S. And in the course of your American stay, what was the kind of work 
you were doing?
      M. P. Drawing the logic diagrams in order to get a more precise 
concept and identify which was the final version to be used.
      S. The WWAM or the 1401?
      P. No, no, the WWAM or the German or the American version.

#27.
The 1401 didn't exist at that time.
      S. And what was your experience in the course of this? Did you trans- 
mit ideas?
      P Oh yes, that was probably one of my best experiences in the com- 
pany. I happened to meet wonderful people during that experience and I wonder 
if they just happened to be wonderful or just the fact that they were different 
nationalities which makes the experience wonderful. But you learn a great 
deal when, you are exposed to different ways of thinking, there's no doubt.
And I'm sure you can get to anybody who was part of that group at that time 
and they will tell you the same thing. It was probably one of the best experi- 
ences in their IBM life.
      S. Who were some of the other engineers in the United States with whom 
you had dealings?
      P. Oh there was a crowd of them. I'll  cite two interesting names.
One is Chuck Branscomb who was on the 1401 .... the American version,
and the other one is Bill Christensen (?) who was a product planner on
the job. I knew both of them. And Carl ........  was the head
of the German team..         There was, a crowd of them.. Ted Lassiter
I just mention because he's now Director of Engineering for World Trade.

#28.
was part of that group.
   S. Well the print-editing device which you passed over very quickly 
is from what I gather, something that you had a very important role in.
Perhaps you went over that too quickly. Was it mainly geared to the logic of 
the WWAM and was that where the editing function came in?
   P. If you tried to put a 1401 logic, a card 1401, if you take a problem 
reversed, or if you take any computer, a 604, whatever you want, and try 
to make that a plugboard machine with all those possibilities, it is just im-
possible. So Impossibility is mother of invention and that in fact, that print.. 
editing function was found to be very useful, etc. and had its main reason 
 into being very efficient with your storage and being very efficient with your 
instructions, the instructions being the plugs on the board. And that's all 
there: is to it. You know you can do the same thing, you've been able to do 
the same thing before. It wag no problem, in being less efficient. The big
advantage of that print-editing- as I understand it, is just as efficient in computer 
time and instructions and in memory space and that was the problem we were 
forced to be efficient. And we did it.
   8. I see. Tell me a little bit about the final end of the WWAM.
   P. I told you it has been built to be a prototype. It has been tested

#29.
and processed and it has been used as a laboratory computer for two, or 
three years.
     S. Where was the laboratory when the decision came to stop work on 
   WWAM ?
     P. The laboratory was still in Paris.
     S. I mean in terms of the WWAM.
     P. Well that was the biggest project of the laboratory. It was tops
and I guess every time something like that happens you get lots of frustration. 
But that's the life of all projects which get started and you try to find out 
other directions for that project to be worked on.
     S. Such as?
     P. Well into small projects like the electronic .......
was one. I don't have all of them at my fingertips. There's something interest- 
ing, at that time the mission of the laboratory was somewhat changed. Some- 
body in the States decided that World Laboratories should do only experi-
mental development, no product at all Just get ideas, prove the ideas and 
pass it back to the States and I guess the WWAM was probably part of that. 
People felt that here is an area where the Europeans have proven their ability 
to get bright ideas and good systems ideas but they were not able to make

#30.
to make a product out of it because they were not able to follow tests on 
the technology change in the States. So from those assumptions you could 
take two conclusions, either to say well we have to improve the way  that
the European laboratories get aware of those technological changes or get the 
idea well let's forget it and let's let them have the ideas and make the product 
in the States. I think this is the wrong decision but it was taken for a while. 
So for a while the World Trade Laboratories had the mission of being only 
idea laboratories and that was called experimental development. Incidentally,
this has very long reaching impacts. One of them is the reason for the labora- 
tory to be down here in Nice. Because at the time the laboratory was to do 
only experimental developments the was no reason whatsoever for them to 
be near a plant and therefore when a  laboratory location was picked out,
the attractions or instructions were, don't bother with plant locations, just 
go any place else. Where today this decision has been vitally reversed and 
the people have realized that a laboratory  ......   when it has a way
to mature the ideas into products and some laboratories do suffer from not 
being able to apply the current thinking which is to always have a plant near 
by so that pa can have the laboratory helping the plant and being helped by 
the plant.

#31
      S.    In Research this idea was completely reversed. It moved away 
from the plant.
      P. That's right. But this was experimental development and that was 
the idea. Isolate the laboratory. Let them have idea and not be bothered 
b the facts of life.
      S. For whatever reason in the United States, decisions were always   
taken to go along with the most advanced technology even when that technology 
such as transistors was still in difficult stages of development and of course 
that's the reason that the 608 which was a tube machine, was not continued 
one. because at about that time they decided that transistors would be the
new componentry and in fact .... in fact the tubes that were in....
To what extent did that psychology have.... and here again I'm not saying 
it was a conscious thing but it just happened to be 
      P, I m not sure that's true. I'm not sure that's true. I think that very 
often some people on the outside blame IBM  for not being at the most advanced 
technology and if we stick to today's position some people blame IBM for not 
using fully integrated circuits to the biggest extent. .... looking at the
     ... picture. I think that's one of our greatest successes. We knew how 
to make integrated circuits by the time we decided to make 8LT but we knew

#32.
also taking everything into consideration and especially  the .... ... the
cost would not be as favorable if we had decided to go integrated so we cleverly 
I think ..... the management of the company decided to take
take advantage ........ And I this the transistor 608 is a very good
example of very good management, in any opinion. Now here is a new device 
like the transistor. It has tremendous potential since everybody was predict- 
ing the transistor's cost to go down to minus something, and so therefore
 the company cannot afford to let this opportunity go, but we're not sure it's 
true so what do we do? We put out in America the transistor 608. We price
it in such a way that we're not going to sell many of them and therefore we have 
here our first entry in the market where we really can't tell whether it will
be good to use our  tubes or not. And decide which way we want to go later. 
I don't think that we can describe IBM as always taking the most advanced
technology path without ever looking at costs. On the contrary, I think generally 
the company is pretty conservative in making decisions of that kind, unless the 
cost picture is proven to be .......
    S. Well when the decision was taken to do away with tube machines, 
and to go into transistors, those transistors weren't really that far along.
    P. No but we had enough basis in my opinion and the future has proven
that that was right. There was enough basis for that to be done and if you go back

#33.
in history you will find a memo  if I recall properly was signed by
Watson, saying from now on all machines have to be implemented with transis- 
tors. Is that what you're referring to?
     S. Yes.
      P. Well I recall very firmly that this memo said unless you apply for 
permission from me, and it was understood that the deviation was to be 
granted  ........    But the basis for that decision on that memo 
is the following. If you don't deviate across the board, then the first guy 
who can use the transistor is going to pay the premium cost and he'll never
be able to afford it. if you .... it across the board then you ... you spread 
the cost of the whole project and it may be a sound measure.
     S.  Yes.
     .....   That's my-understanding of the decision and 'think it is very
well put.
     S. And did that take effect in the European labs, in the French labora- 
tory also?
     P. Yes but this was before the WWAM it had no effect on that
part of the program. Okay?
     S. Is there anything else that you'd like to say on that particular score 
on the WWAM and the development of the 1401?

#34.
      P. It shows one less that I'm not sure we have taken full advantage 
of. Well I guess we have somewhat in 360. That is that one advantage of 
the company being multi-national is that being given the same problem,
people from different cultures may address that problem with different points 
of view and putting all  these people together generally ends up with a better 
system than any of them would have come up with independently.
While I aim we found that in the SPREAD Committee trying to define the
360, I don't think we were doing enough of that ...... , .. Now I'd say one 
area of the company that's not doing very well is the terminal area. There 
are people trying to devise terminals all over the place and everybody knows 
that that we're not quite successful and nobody has a good answer. Maybe
that would be an area where ..... experience could be tried again and see 
if different cultures could bring a better approach. So it's still my most
thrilling experience and I think  this the same case for all the
people who worked on that program. By the fact that they worked together 
working on the same project, not what they had done alter decision time, but 
the time they worked together in the same room working on the same final 
goal with different approaches. And comparing their approaches day to day. 
The one guy would say, now look there's something new I can do with my
 
#35.
logic and the other guy was trying to see how identically he would be able to 
do the same thing with his.
   S. Well as a last remark on this, can you summarize what you see are 
the assets of the 1401 which you know directly were inputs by the work on
the WWAM?
   P. Well as I told you before, I'd rather leave that to the 1401 designers. 
They can analyze much better what they have done.
   S. Well don't do that but I was just wondering how it appeared to you, 
In a way being less familiar with the WWAM than they are.
   P. Well they are much more familiar with the 1401 than I am. I'm not 
really an expert in the 1401.
   S. But the 1401 does have you print-edit.
   P. Well it has much more than that. It has the variable word length 
and that kind of thing.
   S. Well this is what I wanted you explain.
   P. Well I couldn't really summarize it. I've never taken the trouble 
of going through it from that point of view. I know lots of studies have been 
made especially by the Patent Department even if they are just fumbling. 
They are much better than I would do.

#36.
       S. You did make the comment before that someone told you that many 
of the patents generated from the WWAM ...... 
       P. That's the statement that was given to me by the Patent Department
which says that as far as the 1401 computer organization is concerned, all
the  patents covering it are patents derived from the 1401. That's their statement,
not mine. ......  The  WWAM  ended when the 1401 life
started, so WWAM couldn't have taken anything from. the 1401.
       S. But I did hear you correctly that it's the 1401 patent that covers 
the WWAM.
       P. No, no, the WWAM patents cover the 1401 organization today as
far as I'm told from the  Patent Department.  
       S. And this Patent Department is the U. S. Patent Department? 
       P.   No it's the French  Patent Department. They're not supposed to
give their own opinion. They are supposed to reflect the company's opinion.
       S. Right.
       P. I assume that there is a patent list covering the 1401 and you just
go through them and find out what they are.
       S.   Play, well I guess that does it at the present time.
       P.   Thank you.