Walter E. Groom

Roy D. Williams

Roy Williams worked for the Tennessee Eastman Corporation at the Y-12 Plant.

J.R. Gamble

G. P. McLaughlin

McLaughlin worked in the 200 West Area at Hanford during the Manhattan Project.

Frank R. Johnson

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