Chris Elvidge  wrote in
news:r96rle$7tv$1@dont-email.me:

>>>>
>> support.
>>
>> It does however provide some food for thought as to how his could
>> be used in a learning experience for all of us old geezers.
>>
>
> First computer I worked with was a CDC 7600 at Manchester
> University (1971).
>
>

My tenure with CDC was 1968 to 1991.

I was a field analyst working at Cape Canaveral optomizing the Real-
Time Computer system software that tracked any vehicle launched from
The Cape.  I had the opportunity to watch my software arm and
destruct a few Delta rockets that went out of safety envelope. I had
the blockhouse duty for the Apollo 7,8,9,10 and 11. I was one of
those guys in a white shirt and undone tie sitting at a console that
monitored the range radar data.  It was fun and exciting.
 I also did consulting at the Deep Underwater Torpedo Test Range on
Andros Island working with the Royal Navy.

In December 1968, I was sent to Chippewa Falls, Wisconsin where
Seymore Cray was doig the final trsting on  7600 S/n 1 for both
hardware and software.  I was running some benchmarks for Florida
State University on the 7600. The software was setup with a six-pack
of PPU s in a unit record configuration feeding the CPU and it was
one user at a time, make your run, et the output and find a place to
evaluate it until you make corrections and got back in line.  I had a
code from FSU that ran on their 6400, but for some reason would not
compile error-free.  I tried several times and finally threw the
listing into a trash barrel with great gusto.  Well Cray saw this and
asked what the problem was.  I dug the listing out of the barrel and
showed him.  He said that's not right, something is wrong here ther's
nothing wrong with that syntax. He called a guy over to look at the
problem.  This guy had a big beer belly, and a worn sport coat with
worn leather patches on the elbows.  He introduced himself as Garner
McCrossen who I was told later by one of the ther workers ther to be
the world's foremost xpert in Fortran compilers.  anyway he scratched
his head and looked at a couple of listings and then halted the
merry-go-round and did some patching nd things were fine.But I was
overwhelmed to have had some encounter with two major players in the
industry.

Sorry to ramble, but your 7600 brought back this memory for me.

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