America's production chief. Arriving at his office about 8:30, Donald Nelson, Chairman of the War Production Board (WPB), tackles a stack of correspondence with his secretary, Miss Iona Thornton, before plunging into the daily conferences. He has no rigid iroutine for work since each day is shaped by new situations and problems. But certain schedules are fixed, like the WPB meeting every Tuesday and his weekly conferences with the President's cabinet