David Reed

VisiCalc, Lotus, Interval Research

http://www.reed.com/dpr/?sel=dprbiog

http://www.satn.org/

He was heavily involved in the early development of TCP-IP, and was the designer of the User Datagram Protocol (UDP). He was also one of the authors of the original paper about the End To End principle, End-to-end arguments in system design, published in 1984.