National Museum of Nuclear Science & History
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.
W. E. Rossnagel worked for the Union Carbide & Carbon Corporation.
Waldrop arrived at Oak Ridge in early 1944, directly after receiving his Army basic training. At Oak Ridge, he worked at the Y-12 plant during the Manhattan Project.