W. Marvin Watson

William Marvin Watson (June 6, 1924 – November 26, 2017) was an American politician. He was an advisor to U.S. President Lyndon B. Johnson. He served as Postmaster General from April 26, 1968 to January 20, 1969.
Watson died in Woodland, Texas on November 26, 2017 at the age of 93.