National Museum of Nuclear Science & History
Smith worked at the 100-B Area at Hanford during the Manhattan Project.
Sayers worked for Stone and Webster Engineering Corporation.
Herbert Davis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
