National Museum of Nuclear Science & History
A Missourian by birth, W.K. ("Mac") MacCready held undergraduate and graduate degrees in physical chemistry from the University of Alabama.
Jack D. East worked in the Instrument and Physical Measurements Group in Clinton Laboratories at the X-10 Reactor.
W. W. Johnson worked for the Kellex Corporation at the K-25 Plant.
W. R. Morgan worked for the Tennessee Eastman Corporation at the Y-12 Plant.