Ambrose Knapinski

Dorothy C. Johnson

Dorothy C. Johnson was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

R. K. Whalen

Mary Elizabeth Long (Barnes)

Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.

K. G. Frese

K. G. Frese worked for the Tennessee Eastman Corporation at the Y-12 Plant.