National Museum of Nuclear Science & History
Rosalin Small was a staff worker at Los Alamos during the Manhattan Project.
A. L. Crawford worked for the J.A. Jones Construction Company.
A Missourian by birth, W.K. ("Mac") MacCready held undergraduate and graduate degrees in physical chemistry from the University of Alabama.
Edward F. Kolley was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.