D.D. Sivils

L. G. A. Casey

Archie Phelps

Phelps worked in the 100 F Area at Hanford during the Manhattan Project.  

H. H. Chowning

Chowning worked at the 200 East Area at Hanford during the Manhattan Project. 

R. P. Mack

Mack worked at the 300 Area at Hanford during the Manhattan Project.