David D. Clark graduated from Swarthmore College in 1966 and received his Ph.D. from MIT in 1973. He has worked since then at the MIT Laboratory for Computer Science. From 1981-1989, he acted as chief protocol architect in the development of the Internet, and chaired the Internet Activities Board, which later became the Internet Architecture Board. Swarthmore College is a private, coeducational liberal arts college in the United States. ... The Massachusetts Institute of Technology, or MIT, is a research institution and university located in the city of Cambridge, Massachusetts along the Charles River and across from Bostons Back Bay district. ... The Internet Architecture Board (IAB) is a committee of the Internet Engineering Task Force (IETF). ...

In 1990 he was awarded the SIGCOMM Award in recognition of his major contributions to internet protocol and architecture. SIGCOMM Award recognizes lifetime contribution to the field of communication networks. ...