James A. Beatty

Arthur H. Jaffey

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

William Kann

William Kann was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

William M. Hackman

William Hackman worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Harry M. Bacon