National Museum of Nuclear Science & History
H. H. Hudson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Raymond Taylor was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Stainken worked at the 200 East Area at Hanford during the Manhattan Project.
Benjamin Nelson served in the Army 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.