J. A. Metcalf

Gerald Landsman

Gerald Landsman worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.

Frank R. Johnson

Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Colan W. Yale

W. R. Burton

W. R. Burton worked for the Tennessee Eastman Corporation at the Y-12 Plant.