National Museum of Nuclear Science & History
C. B. Proudfoot worked for the United States Engineer District Office.
C. M. Sheldon worked for the J.A. Jones Construction Company.
Bruner worked in the United States Engineer District Office.
Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.