Emos E. Maddux

R. M. Van Petten

R. M. Van Petten worked for the Kellex Corporation at the K-25 Plant.

G. E. Pierce

E. W. Seager

Seager worked for Stone and Webster Engineering Corporation.

Thomas R. Williams

Thomas R. Williams was a laborer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.