National Museum of Nuclear Science & History
Ruth Volcker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
Ethel Schwartz arrived as a bride with her husband, Manuel Schwartz, at Los Alamos in 1944. She worked in the office until she became pregnant with her son, Joel Schwartz, who was born there after the bombs were dropped on August 6, 1945.
