M. T. Litton

Joseph H. Heartberg

Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Samuel Podgor

Samuel Podgor was born to Russian-migrants in New York City. He served in the Special Engineer Detachment at Los Alamos, NM where he worked in the Theoretical Division under Klaus Fuchs.

Joseph Howland

Joe W. Howland was a medical officer in charge of special problems in the US Army, stationed in Oak Ridge, Tennessee and Rochester, New York during the Manhattan Project.

Otis Carroll