National Museum of Nuclear Science & History
Babcock worked at the 300 Area at Hanford during the Manhattan Project.
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.
V. D. Donihee worked at the 200 West Area at Hanford during the Manhattan Project.
