Robert J. Klotzbach

Sidney Williams

Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.

Ray Koetski

Koetski worked at the K-25 plant at Oak Ridge during the Manhattan Project. He was also a member of the K-25 basketball team.

Merwin M. Carty

Carty worked in the United States Engineer District Office.

Manton E. Allen