National Museum of Nuclear Science & History
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Augustin Romero was a staff worker at Los Alamos during the Manhattan Project.
T. L. Harrigan worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Howard “Howie” Wilcox was an American physicist. He studied at the University of Minnesota and was a teaching fellow at Harvard when he was recruited to work on the Manhattan Project at Los Alamos.
Josephine Redenius worked for the United States Engineer District Office.