National Museum of Nuclear Science & History
Elizabeth was a staff member at Los Alamos during the Manhattan Project. She may have been married to Claire C. Balke.
W. K. Eister worked for Clinton Laboratories at the X-10 Reactor.
Bergantz worked in the United State Engineer District Office.
F. D. Ethridge, Jr. worked for Clinton Laboratories at the X-10 Reactor.
S. B. Spracklen worked for the Union Carbide & Carbon Corporation.