National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
Clark worked for Stone and Webster Engineering Corporation.
Thomas Brill was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John M. “Jack” Hubbard was an American meteorologist. Considered one of the brightest meteorologists in the world by the early 1940s, Hubbard was a former student of the renowned meteorologist Irving Crick.
