National Museum of Nuclear Science & History
E. J. Murphy worked for the United States Engineer District Office.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Philip Thomas was a member of the military police and a private first class at Los Alamos during the Manhattan Project.
Hannibal Fraga was an engineer. He joined the Manhattan Project in the fall of 1944. He worked in the inspection department at Los Alamos.
