National Museum of Nuclear Science & History
S. A. Hindley worked for the J.A. Jones Construction Company.
Madeline Sohn was a research assistant in the chemistry division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Robert H. Dunlap was the director of Group CM-1 in the Chemistry and Metallurgy Division at Los Alamos during the Manhattan Project.
Barrett worked for Stone and Webster Engineering Corporation.