National Museum of Nuclear Science & History
John Snoday was a staff worker at Los Alamos during the Manhattan Project.
C. R. Ambrose worked for the J.A. Jones Construction Company.
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.
Ruby Siler worked for the Tennessee Eastman Corporation at the Y-12 Plant.
