National Museum of Nuclear Science & History
L. P. Schmitt worked for the United States Engineer District Office.
McCabe worked for Stone and Webster Engineering 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.
Leifermann worked in the 100 D Area at Hanford during the Manhattan Project.