National Museum of Nuclear Science & History
H. A. Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
K. Langosch worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
John Kenyon Kinnear, Sr. was raised in Brooklyn, NY. He joined the Army and because he was a tool and die maker, he was assigned to the Manhattan Project.
