James J. Urban

Charles Maier

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

J. C. Hamilton

Hamilton worked at the 200 West Area at Hanford during the Manhattan Project.

Edward M. Whitaker

Edward Whitaker worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Americo F. Giordano