National Museum of Nuclear Science & History
Walter Johnson worked for the United States Engineer District Office.
Louis J. Hefferman served in the 1395th Military Police Company, Aviation.
Florence Pachter Schulkin served in the Women’s Army Corps 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.
