National Museum of Nuclear Science & History
Alfred “Al” Wiora served in the army at Los Alamos during the Manhattan Project. He studied at the University of Pennsylvania and later worked at the Hughes Aircraft Company in Tuscon, Arizona.
Malcolm McEwen worked for the United States Engineer District Office.
Ralph Berger was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Hildebrand worked for Stone and Webster Engineering Corporation.