Patrick J. Joyce

David Greenglass

David Greenglass (1922-2014) was a machinist and member of the Special Engineer Detachment who engaged in espionage activities for the Soviet Union at Los Alamos during the Manhattan Project.

Raymond Murray

Murray worked for Stone and Webster Engineering Corporation.

Stanley Krzyck

Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Felix Sanders