1922- . Thai conservative politician, prime minister of Thailand from 1988. He has promoted a peace settlement in neighbouring Cambodia as part of a vision of transforming Indochina into a thriving open-trade zone. A field marshal's son, Choonhavan fought in World War II and the Korean War, rising to major-general. After a career as a diplomat and entrepreneur, he moved into politics and became leader of the conservative Chat Thai party and, in 1988, prime minister.