National Museum of Nuclear Science & History
R. Althoff worked for the J.A. Jones Construction Company.
Addison worked in the United States Engineer District Office.
Alfred Neyens served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Vivian Stark was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Walter Brill worked for the Fercleve Corporation.
