National Museum of Nuclear Science & History
A. B. Beddoe worked for the Fercleve Corporation.
E. R. Smallwood served in the 509th Headquarters.
Laudenslager worked for Stone and Webster Engineering Corporation.
Stanley Thomson was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
