National Museum of Nuclear Science & History
G. R. Klingman worked for the Roane-Anderson Company.
L. L. Long worked for the William A. Pope Company.
A. E. Bangs worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
