Thomas Harris Macdonald, American engineer. Decorated Medal of Merit (United States); Cross Legion of Honor (France); Knight 1st class Order of St. Olav (Norway); foreign member Masarykova Akademie (Czechoslovakia). Member American Association State Highway Officials (Executive Committee), Beta Theta Pi, Tau Beta P.; Club: Cosmos (Washington).
; children—Thomas Harris, Margaret Elizabeth (Mistress Charles William Weidinger). Married second, Caroline L. Fuller, November 24, 1953. Began with engineering department C.G.W. Railway.
Chief engineer Iowa State Highway Commission, 1904-1919. Chief United States Bureau Public Rds., Department of Agriculture, 1919-1939. Became commissioner public roads, charge public roads administration Federal Works Agency, 1939, retired from United States service, 1953.
Head highway research center Texas A. and M. College, since 1953.
Born July 23, 1881