National Museum of Nuclear Science & History
C. L. Langston worked for the Fercleve Corporation.
John M. Thompson served in the 1395th Military Police Aviation.
Warren Poppino Spencer (1898-1969) was an American geneticist who studied low-dosage radiation as part of the Manhattan Project at the University of Rochester.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.