Doug, of course, is a long-standing member of the Unix community.
And of course inventor of the unix pipe: http://cm.bell-labs.com/cm/cs/who/dmr/mdmpipe.pdf http://cm.bell-labs.com/cm/cs/who/dmr/mdmpipe.html One of many great historical tidbits on Ritchie's home page. A must-read for anyone interested in unix or computing history: http://cm.bell-labs.com/who/dmr/ Tim Newsham http://www.lava.net/~newsham/
