National Museum of Nuclear Science & History
Frederick Trapnell was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Dellis Caho was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
O. W. Childs worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William P. Norris was an associate bio-chemist at the University of Chicago Met Lab. After a stint at the Dow Chemical Company, he joined the Manhattan Project in July 1944.
William F. Orren served as a technical sergeant in the 393rd squadron. He was regularly assigned to the B-29 Top Secret.