National Museum of Nuclear Science & History
Alvina Petrus was a stenographer and clerical worker at the Chicago Met Lab.
Carl C. Mason served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.
George Cowan joined the Manhattan Project in 1942 at the Met Lab as a chemist for Enrico Fermi’s group, and also worked for Columbia University.
Jane Wainwright served in the Women’s Army Corps at Los Alamos during the Manhattan Project.