National Museum of Nuclear Science & History
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.
Henson worked at the 300 Area at Hanford during the Manhattan Project.
Darragh Nagle graduated from Columbia University and worked with Enrico Fermi and Herbert Anderson at the Chicago Pile during the early years of the Manhattan Project.
