Allen Welsh Dulles (/ˈdʌləs/; April 7, 1893 – January 29, 1969) was an American diplomat and lawyer who became the first civilian Director of Central Intelligence and its longest-serving director to date. As head of the Central Intelligence Agency during the early Cold War, he oversaw the 1954 Guatemalan coup d'état, Operation Ajax (the overthrow of Iran's elected government), the Lockheed U-2 aircraft program and the Bay of Pigs Invasion. Following the assassination of John F. Kennedy, Dulles was one of the members of the Warren Commission. Between his stints of government service, Dulles was a corporate lawyer and partner at Sullivan & Cromwell. His older brother, John Foster Dulles, was the Secretary of State during the Eisenhower Administration.
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