National Museum of Nuclear Science & History
H. G. Arnett worked for the Roane-Anderson Company.
Richard Stephens worked for the United States Engineer District Office.
Wray B. Garn was born on January 4, 1916 in Yakima, Washington. He graduated from the University of Pennsylvania, and briefly worked as an electrical engineer for the Westinghouse Corporation.
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.