National Museum of Nuclear Science & History
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. R. Pierson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Smith worked at the 200 East Area at Hanford during the Manhattan Project.
Chellis worked for Stone and Webster Engineering Corporation.
Charles K. Krause was a consultant for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
