Richard A. Vaughn

Frank R. Johnson

Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. E. Cole

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

Robert Winkel

R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.

L.L. Sphar