William A.M. Burden was an aviation consultant of wide experience. He had advised Brown Bros., Harriman & Co., on aviation financing, 1928-1932; headed aviation research for Scudder, Stevens, & Clark, 1932-1939; and directed National Aviation Corp., 1939-1941. In 1942-1943 Burden had served as a special assistant to the secretary of commerce, with supervision of the Civil Aeronautics Authority, and between 1943 and 1947 he had been assistant secretary of commerce for air. Thereafter he was an independent consultant. He served on the National Aeronautics and Space Council from its creation until March 1959, when he resigned to serve as ambassador to Belgium.