National Museum of Nuclear Science & History
Mary Whidden was a staff worker at Los Alamos during the Manhattan Project.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.
Ruth Hoffberg was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Joe Romero was a staff worker at Los Alamos during the Manhattan Project.
