Wilfred Fritz

J. R. Clark

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.

Lloyd M. Baird

Susan Zagaria

Susan Zagaria was a laboratory technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.