National Museum of Nuclear Science & History
Hardy Whitehead worked for the Edenfield Electric Company.
McCampbell worked for Stone and Webster Engineering Corporation.
Crawford worked in the United States Engineer District Office.
H. V. Appen worked for the J.A. Jones Construction Company.
Charles D. Coryell (1912-1971) was an American chemist. In 1942 Coryell left MIT and became Chief of the Fission Products Section of the Manhattan Project.