National Museum of Nuclear Science & History
Paul was a physicist at Los Alamos during the Manhattan Project.
Norman Black served in the 393rd Bombardment Squadron.
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.
Frank Cook worked for the JA Jones Construction Company in Oak Ridge, Tennessee during the Manhattan Project.