Clifford H. Black

Ralph Wascher

Ernest A. Wende

Ernest Wende was transferred into the Manhattan District, the branch of the United States Army Corps of Engineers tasked with overseeing the construction of critical Manhattan Project sites, shortly after its formation in 1942.

Orville Hill

Chemist Orville Hill joined the Met Lab at the University of Chicago in May of 1942, three months after it was created.

Ralph L. Smalley