Graduate, Middlesex School, Concord, Massachusetts, 1912; Bachelor of Science, University of Pennsylvania, 1916.
Vice president, Dickson Fuel Corporation, Philadelphia, from 1956; also director, Dickson Fuel Corporation, Philadelphia.
Served on Mexico Border, 1916, First lieutenant, cavalry, United States Army, 1917-1919, lieutenant colonel, cavalry, Army of the United States, 1941-1946. Member General Alumni Society University of Pennsylvania (president 1959-1963), Merion Cricket Club, St. anthony Club, Racquet Club, Germantown Cricket Club, University Barge Club, Bachelors Barge Club, Faculty Club. M C.
Married Sarah C. Neilson, January 18, 1918. Children: Crawford Clark, Lewis N., Harry R.