National Museum of Nuclear Science & History
George Tilley was a staff worker at Los Alamos during the Manhattan Project.
Kirk worked in the 300 Area at Hanford during the Manhattan Project.
Frederick D. Kopka served in the 1027th Air Material Squadron.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Attended the University of Texas. He was married to Jane Yantis, who came with him to Oak Ridge during the war.