National Museum of Nuclear Science & History
Joseph “Joe” A. Haaga (1919-1974) was a nuclear engineer who worked on the Manhattan Project. Born in 1919, Haaga graduated from Notre Dame in June 1940 with a B.
Enareo Serna was a staff worker at Los Alamos during the Manhattan Project.
R. A Winkel worked for the Union Carbide & Carbon Corporation. At Oak Ridge he assisted in the development of the K-25 plant.