National Museum of Nuclear Science & History
Dennis Dwyer was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chauncey Starr worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alfred “Al” Zeltmann was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
E. H. Marsden worked for the United States Engineer District Office.
