National Museum of Nuclear Science & History
John M. Sprecher was a chemical engineer. During the Manhattan Project, he worked for DuPont in Wilmington, DE.
Hinson worked at the 100-B Area at Hanford during the Manhattan Project.
Not long after completing his sophomore year at MIT, Norman Brown was recruited into the Manhattan Project.
Jessen worked at the 200 East Area at Hanford during the Manhattan Project.
