National Museum of Nuclear Science & History
Jacob Y. Bontekoe served as 2nd lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
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.
Allman worked at the 100 B Area at Hanford during the Manhattan Project.
