With Frank Sprague, Sprague Multiple Unit System, New York, 1897-1900. Mining equipment, design and construction, with Randfontein Estates, South Africa, and Thomas Robins, Paris and London, 1900-1903. Research and construction, sand-lime brick, 1903-1905.
Private practice, New York, 1905-1933. Special problems, reinforced concrete, power plants, electro-metallurgy (including microanlaysis in such investigations), coal mining, oil production and transport, power public utilities, school and camp planning and operation. Staff engineer Federal Emergency Relief Administration, 1934.
Senior engineer, chief of Materials Intake Section, Resettlement Administration, 1934-1938. Senior engineer, chief specifications and materials section United States Housing Authority, 1938-1942. Senior archaeology engineer, chief materials section, Federal Public Housing Administrn.
Developed specifications for 2½ billion dollars of government and war housing.
Born August 4, 1875