National Museum of Nuclear Science & History
Irvin Mastin worked for the J.A. Jones Construction Company.
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.
Leahy worked for Stone and Webster Engineering Corporation.