National Museum of Nuclear Science & History
Baldwin worked for Stone and Webster Engineering Corporation.
Rosalin Small was a staff worker at Los Alamos 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.
Morgan worked for Stone and Webster Engineering Corporation.
Ryan worked at the 100-B Area at Hanford during the Manhattan Project.
