ON THIS DAY IN INTERNET HISTORY:

The first Interface Message Processor (IMP) is delivered to Leonard Kleinrock’s research group at UCLA on 1969. The IMP interconnected networks between research facilities on the developing ARPANET, the precursor to the Internet.

The IMP can be considered as the first generation of what we now call network routers and had several people on the team:

Team Leader: Frank Heart
Software: Willy Crowther, Dave Walden, Bernie Cosell and Paul Wexelblat
Hardware: Severo Ornstein, Ben Barker
Theory and collaboration with the above on the overall system design: Bob Kahn
Other: Hawley Rising
Added to IMP team later: Marty Thrope (hardware), Jim Geisman, Truett Thach (installation), Bill Bertell (Honeywell)

More info: https://en.wikipedia.org/wiki/Interface_Message_Processor