Harold Edward Holt was the 17th prime minister of Australia, serving from 1966 until his disappearance and presumed death in 1967. He held office as leader of the Liberal Party of Australia and held various ministerial positions from 1949 to 1966 in the governments of Robert Menzies and Arthur Fadden. Born: August 5, 1908 Died: December 19, 1967 In office: January 26, 1966 – December 17, 1967 Wiki link