National Museum of Nuclear Science & History
Winzenburg worked for Stone and Webster Engineering Corporation.
John P. McBride was a research assistant in the Chemistry Division at the Chicago Met Lab. He was later assigned to Oak Ridge, where he worked on plutonium purification and on isolating uranium-233 isotopes from thorium.
Heatherington worked for Stone and Webster Engineering Corporation.
Clayton Vogt worked for the United States Engineer District Office.
Harvey Matthioson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
