Claude E. Daniels

Mario S. Pompilio

Sheffield Gordon

Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Walter Groeger

Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

V. E. Helgesen

V. E. Helgesen worked for the William A. Pope Company.