National Museum of Nuclear Science & History
Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
McCall worked in the 100 F Area at Hanford during the Manhattan Project.
Jon Hunner is a Professor of History at New Mexico State University. He received his PhD from the University of New Mexico, and is the author of Inventing Los Alamos, J.