G. H. Harrell

J. D. Ellett

J. D. Ellett worked at the 200 West Area at Hanford during the Manhattan Project.

E. W. Thomas

H. M. Ellis, Jr.

H. M. Ellis, Jr. worked for the Roane-Anderson Company.

Walter Groeger

Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.