National Museum of Nuclear Science & History
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
A. E. Ballard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jack Schubert was an American chemist and Manhattan Project scientist. He was born on September 14, 1917 in Chicago, Illinois.