National Museum of Nuclear Science & History
N. J. Holland worked for the Roane-Anderson Company.
Mehann worked in the 200 West Area at Hanford during the Manhattan Project.
June H. Roberts was a research assistant in the Instruments Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
A Missourian by birth, W.K. ("Mac") MacCready held undergraduate and graduate degrees in physical chemistry from the University of Alabama.
