National Museum of Nuclear Science & History
H. H. Wilson worked for the United States Engineer District Office.
K. G. Frese worked for the Tennessee Eastman Corporation at the Y-12 Plant.
B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.
Joseph Ryan was a staff worker at Los Alamos during the Manhattan Project.