National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Raymond Frank was a metallurgist at the University of Chicago and stayed with the Met Lab after graduating from the university.
Joseph Levinger was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended Drexel University.
Clair Tellefson was a staff worker at Los Alamos during the Manhattan Project.
