National Museum of Nuclear Science & History
MacCready worked in the 200 West 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.
Howard Peters was a truck driver for the Hanford, Washington facilty from July 1943 to December 1946.
Argue worked for the Stone and Webster Engineering Corporation.