National Museum of Nuclear Science & History
Earl K. Hyde was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
A staff worker at Los Alamos and brother of Theodore Perlman who also worked on the Manhattan Project.
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
