National Museum of Nuclear Science & History
R. F. Ridgeway worked for the Roane-Anderson Company.
Huckleberry worked at the 300 Area at Hanford during the Manhattan Project.
D. V. Zehner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. R. Evans worked for the William A. Pope Company.
Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
