Robert R. Hayes

Walter Groeger

Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Albert Tannenbaum

Albert Tannenbaum was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.

W. A. Bearden

Two people who worked at Hanford during the Manhattan Project had this name.

W. O. Switzer