National Museum of Nuclear Science & History
R. R. Tippy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Johnson worked for the United States Engineer District Office.
Edward J. Fredrick was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Iral B. Johns (1902-1987) was an American chemist. An associate professor of chemistry at Iowa State University, Iral B.
Kelley worked in the 100 F Area at Hanford during the Manhattan Project.
