National Museum of Nuclear Science & History
Donald Todd was a staff worker at Los Alamos during the Manhattan Project.
Andrew Stehney was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Nathan Ballou (1919-2016) was an American chemist. He was born in 1919 in Rochester, Minnesota. In 1941 he received a bachelor’s degree from the Duluth State Teachers College (now the University of Minnesota Duluth).
Attended Carnegie Technical Institute.