National Museum of Nuclear Science & History
Brown worked in the United States Engineer District Office.
Charles J. Spiegl was a civilian scientist employed by the Manhattan Project. He was involved in radiation toxicology, studying the effects of radiation on animals at the Trinity Site near Alamogordo, New Mexico.
H. M. Atwood worked for Clinton Laboratories at the X-10 Reactor.
Calvin G. Siegle served in the 1027th Air Material Squadron.
