[SIGCIS-Members] Need help identifying a photo

[Ceruzzi, Paul]

There is a famous photo on Wikimedia commons, of what purports to be Ken Thompson & Dennis Ritchie in front of a PDP-11, presumably working on UNIX. The problem is that the seated person doesn't look like either of them. And he is clean-shaven. Could it be Bjarne Stroustrup? Does anyone recall seeing T&R w/o facial hair? Any help in tracking this down would be much appreciated! The photo has been reprinted in many places, and I'd like to track this down before I inadvertently propagate an error.

https://commons.wikimedia.org/wiki/File:Ken_Thompson_(sitting)_and_Dennis_Ritchie_at_PDP-11_(2876612463).jpg


Paul E. Ceruzzi
Curator, Division of Space History
National Air and Space Museum
MRC 311, PO Box 37012
Smithsonian Institution
Washington, DC 20013-7012
www.ceruzzi.com<http://www.ceruzzi.com>
ceruzzip at si.edu<mailto:ceruzzip at si.edu>
202-633-2414

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