National Museum of Nuclear Science & History
James Sircom Allen (1911-1982) was a Canadian-American physicist who worked at the Massachusetts Institute of Technology and Los Alamos during the Manhattan Project.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) 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.
