William H. Svanoe

Daniel J. Keefe

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

S. Sobol

S. Sobol worked for the United States Engineer District Office.

H. C. Young

H. C. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.

J. V. P. Torrey