National Museum of Nuclear Science & History
Palmer worked in the 100 F Area at Hanford during the Manhattan Project.
Frederick A. Zenz was a chemical engineer, and received a B.A. in Chemistry from Queens College. He then earned his M.
Bretscher worked at Los Alamos during the Manhattan Project.
Theodore F. Koplets served in the 1st Ordnance Squadron.
Evelyn Manchester worked for the United States Engineer District Office.