National Museum of Nuclear Science & History
Dorothy Isgett was a civilian worker at Oak Ridge Tennessee from 1943 to 1946.
A Missourian by birth, W.K. ("Mac") MacCready held undergraduate and graduate degrees in physical chemistry from the University of Alabama.
Frank Jones worked for the Roane-Anderson Company.
Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.