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.
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.
Esequiel “Zeke” Salazar began working at Los Alamos during the Manhattan Project. His first jobs were as a carpenter and a rod-man assisting surveyors for the Robert E.
