John A. Blume (1909-2002) is considered by many in the profession to be the “father” of earthquake engineering. More

James H. Clark is an entrepreneur and computer scientist who was a founder of Silicon Graphics, Netscape, Healtheon, myCFO and Shutterfly. More

David Filo co-created “Jerry and Dave’s Guide to the World Wide Web” in April 1994 with fellow Stanford grad student Jerry Yang. More

Martin Hellman is best known for inventing — with Whitfield Diffie and Ralph Merkle — public key cryptography in 1976. More

John McCarthy (1927-2011) was a giant in the field of artificial intelligence. More

William J. Perry was secretary of defense of the United States from February 1994 to January 1997, deputy secretary of defense from 1993 to 1994 and under secretary of defense for research and engineering from 1977 to 1981. More

Jerry Yang co-founded Yahoo! Inc. in 1995. More