National Museum of Nuclear Science & History
R. Niekirk worked for the Roane-Anderson Company.
Annie Lee Patterson was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. R. Elkins worked for the H. K. Ferguson Company.
Harris Mayer, born in 1921, is an American physicist. During World War II, Mayer joined the Manhattan Project at Columbia University.