James I. Pegram

Frank Karcher

Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Kathleen “Kay” (Gavin) Florin

Kathleen “Kay” (Gavin) Florin was a clerk in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Mike Repko

Mike Repko served in the 1395th Military Police Aviation.

Henry L. Barkley