Lie, Trygve Halvdan (trügˈvə hälvˈdän lē) [key], 1896–1968, Norwegian statesman, first secretary-general of the United Nations. A lawyer and Labor party leader, he was Norwegian minister of justice (1935–39) and minister of trade and supply (1939–41). He became (1941) foreign minister of the government in exile. Elected (1946) secretary-general of the United Nations, Lie took an active part in negotiations and incurred the enmity of the USSR by supporting UN action in the Korean War. In 1953 he was succeeded at the United Nations by Dag Hammarskjöld. In Norway Lie was appointed (1955) governor of Oslo and of Akershus prov. He also served as minister of industries (1963–64) and minister of commerce (1965). He wrote In the Cause of Peace (1954).
See his Public Papers, 1946–1956, ed. by A. W. Cordier and W. Foote (1969).