National Museum of Nuclear Science & History
Leslie Spalding worked for the United States Engineer District Office.
Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.
Piper worked for Stone and Webster Engineering Corporation.
Dorotha “Dot” Hogan Crisp, from Midway in Greene County, TN, began working for Tennessee Eastman Corporation as a cubicle operator, better known as a “Calutron Girl,” at the Y-12 plant in Oak Ridge in 1944, before transferring to the Y-12 personnel office as a clerical assistant in 1945.
