National Museum of Nuclear Science & History
Pierce worked in the 200 West Area at Hanford during the Manhattan Project.
Robert H. Dunlap was the director of Group CM-1 in the Chemistry and Metallurgy Division at Los Alamos during the Manhattan Project.
K. A. Wright worked for the United States Engineer District Office.
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.
William P. Sheehan served in the 509th Headquarters.