National Museum of Nuclear Science & History
C. L. Langston worked for the Fercleve Corporation.
Roger Sr was a mechanical engineer having graduated from Stanford University during World War II. He and his wife, Katherine Barnes were recruited by the FBI who made contact with them at the Santa Fe training station when they were leaving town, after their honeymoon at Ghost Ranch.
Seager worked for Stone and Webster Engineering Corporation.
Edgar F. Shofield served in the 393rd Bombardment Squadron.
W. H. Sidner worked for the Union Carbide & Carbon Corporation.