In Memory of Danny Cohen

Danny Cohen VOIP talk 2009

I was very sorry to learn of the passing of Internet Pioneer Danny Cohen this week (1937-2019). Danny and I worked together at Sun Microsystems Labs in Menlo Park, California. These pictures are from a talk Danny gave in 2009 about VOIP and the start of the internet, from just 4 sites in 1969 to 45 sites in 1974.

Danny and I worked together on several projects:

  • Danny was a mentor four times in the Sun Engineering Enrichment and Development (SEED) program I ran 2001-2010 for worldwide Engineering. I remember him asking humbly why anyone would want him for a mentor? I said that anyone who created the first real-time visual flight simulator on a general purpose computer, and the first real-time radar simulator, and who helped create the Internet itself was someone worth learning from. He was never convinced.
  • Danny and I shared a fascination with maps, particularly with how Beck’s 1931 London Subway map changed how the world thinks about illustrating transport networks. He contributed to the wall of maps outside of my Sun Labs office.
  • We worked together in 2010 to create Danny’s Wikipedia biography. Again, he was not sure why anyone would want to know but he kept coming back to answer more questions and review what we had so far.

My husband, John Plocher, and Danny and I attended Edward Tufte’s class on “Presenting Data and Information” together in 2008. In 2010 as Sun Labs was transitioning to Oracle, I took the pictures below of Danny’s office.

Rest in peace old friend.

Danny Cohen VOIP talk 2009 - ARPA Request 1968 VOIP talk 2009
Danny Cohen VOIP talk 2009 VOIP talk 2009
Danny Cohen VOIP talk 2009 VOIP talk 2009
Danny Cohen VOIP talk 2009 - ARPAnet 1969 VOIP talk 2009
Danny Cohen VOIP talk 2009 - ARPAnet 1874 VOIP talk 2009
Sun Microsystems Labs map wall 2010 Sun Labs Map Wall
Danny Cohen's Sun Labs Office January 2010 IEEE Fellow Certificate – Danny’s Office
Danny Cohen's Sun Labs Office January 2010 USC Certificate – Building the Internet – Danny’s Office
Danny Cohen's Sun Labs Office January 2010 DARPA – Birth of the Internet – Danny’s Office
Danny Cohen's Sun Labs Office January 2010 Bookshelf – Danny’s Office

Pictures Copyright 2009-2010 by Katy Dickinson

 

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