Saul Ginsburg

Hall Smith, Jr.

Hall Smith, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.

M. R. Pierce

M. R. Pierce worked for the Kellex Corporation at the K-25 Plant.

John W. Anderson

Roy V. Henderson

Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.