National Museum of Nuclear Science & History
J. P. Kennell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Rachel “Rae” Erlanger worked on the Manhattan Project for the Kellex Corporation. She grew up in New York City.
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.