B. Newman III); married second, Mistress Margaret S. Brown, July 26, 1937. Step-children—Betty Thompson Brown (Mistress Lalbhai Dalpatbhai Thomas), John A. S. Brown III, Lucien Tillyer Brown. Instructor geological, Lehigh University, 1911.
Assistant professor. mineralogy, Princeton University, 1912-1913. Engineer New Jersey Zinc Company, Palmerton, Pennsylvania, 1913-1914. Aid in mineral technical, United States National Museum, Washington, District of Columbia, 1914-1915, assistant curator, 1915-1917, curator mechanic technical, 1919-1921, curator mineral and mechanic technical, 1921-1932, head curator department engineering and industries, 1932-1947, assistant to the secretary, Smithsonian Institute, since 1947.
Organization and administration of National Air Museum, established August 1946 as new Smithsonian Bureau chairman Smithsonian Institute. War Committee, 1942-1945. Quarry technologist Bureau Public Rds., 1917-1919.