William J. Perry

William James Perry (born October 11, 1927) is an American mathematician, engineer, and businessman. He was the United States Secretary of Defense from February 3, 1994, to January 23, 1997, under President Bill Clinton. He also served as Deputy Secretary of Defense (1993–1994) and Under Secretary of Defense for Research and Engineering (1977–1981).

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Category:1927 births
Category:Living people
Category:United States Secretaries of Defense
Category:Engineers from Pennsylvania
Category:American mathematicians
Category:Businesspeople from Pennsylvania
Category:Politicians from Pennsylvania
Category:Democratic Party (United States) politicians
Category:20th-century American politicians
Category:Members of the Order of the British Empire
Category:Military people from Pennsylvania
Category:Presidential Medal of Freedom recipients
Category:Recipients of the Order of the Rising Sun
Category:Stanford University alumni
Category:Stanford University faculty
Category:United States Department of Energy