National Museum of Nuclear Science & History
R. L. McDaniels worked for the Roane-Anderson Company.
E. P. Baker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Halteman worked at the 100-D Area at Hanford 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.
