National Museum of Nuclear Science & History
M. Clawson worked for the Roane-Anderson Company.
Bowen worked at the 100-B Area at Hanford during the Manhattan Project.
Melvin R. Ludwig served in the 1st Ordnance Squadron.
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.