National Museum of Nuclear Science & History
Clapp worked at the 300 Area at Hanford during the Manhattan Project.
Winston Grice was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
James Murray was a security officer at Los Alamos during the Manhattan Project. He led a plainclothes operation under the pseudonym Paul Sheridan, and suspected J.
L. G. Ahrens worked in the 100-B Area at Hanford during the Manhattan Project.
