National Museum of Nuclear Science & History
Ubaldo Sanchez was a staff worker at Los Alamos during the Manhattan Project.
Philip Cooperman was a member of the Special Engineer Detachment on the Manhattan Project from 1944-1946.
H. O. Ramey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gerth worked in the United States Engineer District Office.
Mathias A. Klinger was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
