National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Donald Mueller (1907-2004) was an American physicist. Mueller was born in Cincinnati. He earned a B.S.
Bernice Feldman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Dale D. Kvam served in the 1st Ordnance Squadron.
