L. L. Osterland

I. A. Butcher

I. A. Butcher worked for the Kellex Corporation at the K-25 Plant.

Stanley J. Skripsky

Stanley Skripsky served in the Army at Los Alamos during the Manhattan Project.

Alexander V. Luft

Margaret M. Emmerson

Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.