National Museum of Nuclear Science & History
Marion L. Williams served in the 603rd Air Engineering Squadron.
Alan Upson Seybolt was a metallurgist who worked at Los Alamos during the Manhattan Project. Seybolt married Dorothea “Dot” Hoover Seybolt, and the couple had two sons.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
