National Museum of Nuclear Science & History
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.
Howard “Howie” Wilcox was an American physicist. He studied at the University of Minnesota and was a teaching fellow at Harvard when he was recruited to work on the Manhattan Project at Los Alamos.
Colonel Elmer Ellsworth Kirkpatrick, Jr. was a United States Army Corps of Engineers Officer and a Manhattan Engineering District Deputy Engineer.