National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
Anthony J. (“Tony”) Matz was a procurement officer at the University of Chicago Met Lab. He helped obtain, handle, and move many of the materials for Chicago Pile-1 and witnessed it going critical on December 2, 1942.
Frank Zozom Jr. served in the 1027th Air Material Squadron.
John Tempka (1923-2017) was an American engineer. Tempka was born in Boydsville, Ohio. He was studying at the University of Detroit when he was recruited to join the U.
