National Museum of Nuclear Science & History
Dunbar 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.
James Van Pelt served as a captain in the 393rd Bombardment Squadron of the 509th Composite Group. He flew in the Great Artiste as a navigator during the mission to bomb Hiroshima.
