Early Appletalk; was Re: Interconnecting classic computers - test-drb@ccmp.vtda.org

12 May 2008

...
  I was almost
like they were re-inventing Ethernet. :-)  When Sidhu started on that project
ethernet was still pretty nascent. 
It was Sidhu, Ron Hochsprung, Larry Kenyon, and Alan Oppenheimer

http://www.patentstorm.us/patents/4689786-fulltext.html

Ron came up with the low-level stuff. He also did the PC Appletalk
card and firmware (and tons of other stuff since then).

Ron also did AppleNet for Lisa.