Clement J. O’Hara

Clyde R. Emery

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

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.

Vernon Russell

Vernon Russell served in the First Ordnance Squadron.

Donald H. Wiseman