James R. McGuffey

Arthur S. Olson

Arthur S. Olson was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Charles C. Johnson

E. L. Olson

E. L. Olson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

W. J. Stubblefield

Stubblefield worked at the 200 West Area at Hanford during the Manhattan Project.