National Museum of Nuclear Science & History
Cathcart worked at the 200 East Area at Hanford during the Manhattan Project.
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Harold Knisley served as a private first class in the 393rd Bomb Squadron in the 509th Composite Group as an aircraft mechanic.
J. C. Doucha worked for the J.A. Jones Construction Company.
