National Museum of Nuclear Science & History
Manning worked for Stone and Webster Engineering Corporation.
Wendell Becker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leinberger worked in the 200 W Area at Hanford during the Manhattan Project.
Mary Argo was a physicist at Los Alamos during the Manhattan Project. She and her husband, physicist Harold Argo, were students of Edward Teller.