Rob Pike robpike at gmail.com
Wed May 15 07:48:45 AEST 2019

Dave had lots of spare cycles. He was almost all fun. He tied his shoelaces
and his bow tie every day.


On Wed, May 15, 2019 at 7:02 AM Jon Steinhart <jon at fourwinds.com> wrote:

> Ralph Corderoy writes:
> > Hi,
> >
> > And if others are thinking Dave sounds familiar, like me, it's because
> > he was co-developer of the CARDIAC.
> > https://en.wikipedia.org/wiki/CARDboard_Illustrative_Aid_to_Computation
> >
> > --
> > Cheers, Ralph.
> Dave was one of my favorite people in my group.  He was the first person
> that met who was absolutely brilliant in technology but couldn't spare any
> cycles for things like tying his shoes.
> Another interesting thing that he designed was the keyboard that eventually
> got hooked up to the music playing version of the digital filter setup that
> Hal Alles and Jim Kaiser designed.  It had a ribbon cable the length of the
> keyboard that was fed by a binary pattern, and each key had an antenna that
> moved across the cable when it was pressed making it possible to determine
> how far a key was pressed down.
> Jon
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