Student of University Denver, 1911. Honorary Doctor of Laws, Kenyon (Ohio) University.
Newspaper writer Rocky Mountain News, Denver, 1910-1916. With Colorado State Highway Department, 1916-1918. Washington representative Vice-President Automobile Manufacturers Association, 1918-1939, executive vice president, June 1939-March 4, 1942.
President Automotive Safety Foundation, Washington, from 1942.
Member Board of Governors, District of Columbia division, A.A.A. Member Permanent International Road Commission. Member Sigma Delta Chi, Sigma Alpha Epsilon.
Clubs: Metropolitan, Burning Tree, National Press (Washington).
Married Mary Allen Green, June 11, 1913 (died November 1941). Married second, Helen Davis Stibolt, January 26, 1943. Children: Pyke, Thomas Lee, Elizabeth Ann, Allen MacTavish.