Robert E. McCurley

Vernon L. Conrad

Mary McCormick

Mary McCormick was a secretary at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Joe Muskin

Joe Muskin worked for the Roane-Anderson Company.

James P. Murray

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.