National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
Samuel Hopkins Bassett was an American physician who worked as part of the Manhattan Project at the University of Rochester.
Ben Benjamin was a sergeant in the Special Engineer Detachment during the Manhattan Project. He had previously worked in industry making lenses and prisms, and was assigned to the Optics Group to help with photographing the Trinity Test.
W. M. Brobeck worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.