Elmer H. Welsh

Harold E. Hoover

Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.

Kenneth Collins

Kenneth Collins served in the 603rd Air Engineering Squadron.

S. R. Brown

D. Webster

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