National Museum of Nuclear Science & History
Irvin Mastin worked for the J.A. Jones Construction Company.
Mary P. Frankel was one of the “human computers” at Los Alamos during the Manhattan Project. In the spring of 1943, Frankel and her husband, Stan, an American physicist who later became a computer scientist, arrived at Los Alamos.
Attended the Illinois Institute of Technology.
Rathburn Ray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
