<div dir="ltr"><a href="https://ethw.org/Oral-History:Walter_Karplus">https://ethw.org/Oral-History:Walter_Karplus</a><br><div>Nice to see him say that he never lost his love of analog ;D</div><div><br></div><div>Interesting that some of his work was building analog computer sections to run subroutines</div><div>in early digital computers. Today, it's probably easier to make a digital module to fit inside an analog structure! </div><div><br></div><div>pau lperry Melbourne Austraia</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Aug 6, 2022 at 11:55 PM cheater cheater via Synth-diy <<a href="mailto:synth-diy@synth-diy.org">synth-diy@synth-diy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">I just stumbled upon this NASA document about computers for simulation<br>
by a Walter J. Karplus and I was wondering if he was related to Kevin<br>
Karplus, the co-inventor of Karplus-Strong synthesis. Walter's son was<br>
named Toni, so probably not a direct ancestor. WJK was born in Vienna<br>
and left Austria with his parents and family running from the Nazis.<br>
<br>
<a href="https://archive.org/details/nasa-reports_nas-1262885/page/n1/mode/2up" rel="noreferrer" target="_blank">https://archive.org/details/nasa-reports_nas-1262885/page/n1/mode/2up</a><br>
<br>
Apparently in 1962 Walter J. Karplus co-authored a book with Rajko<br>
Tomović about high speed analog computers:<br>
<a href="https://en.wikipedia.org/wiki/Rajko_Tomovi%C4%87" rel="noreferrer" target="_blank">https://en.wikipedia.org/wiki/Rajko_Tomovi%C4%87</a><br>
<br>
Here's a bio: <a href="https://senate.universityofcalifornia.edu/_files/inmemoriam/html/WalterJ.Karplus.htm" rel="noreferrer" target="_blank">https://senate.universityofcalifornia.edu/_files/inmemoriam/html/WalterJ.Karplus.htm</a><br>
<br>
Here's a list of his works:<br>
<a href="https://www.researchgate.net/scientific-contributions/Walter-J-Karplus-35630691" rel="noreferrer" target="_blank">https://www.researchgate.net/scientific-contributions/Walter-J-Karplus-35630691</a><br>
<br>
Includes work on analog computers, hybrid computing (this means analog<br>
+ digital), and on the Connection Machine that Feynman also worked on.<br>
<br>
Hybrid computing:<br>
<a href="https://archive.org/details/hybridcomputatio0000beke/page/n7/mode/2up" rel="noreferrer" target="_blank">https://archive.org/details/hybridcomputatio0000beke/page/n7/mode/2up</a><br>
<br>
Feynman and the CM:<br>
<a href="https://longnow.org/essays/richard-feynman-connection-machine/" rel="noreferrer" target="_blank">https://longnow.org/essays/richard-feynman-connection-machine/</a><br>
<br>
I haven't been able to find High Speed Analog Computers for viewing online.<br>
<br>
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</blockquote></div>