National Museum of Nuclear Science & History
Sieck worked at the 200 East Area at Hanford during the Manhattan Project.
William Hawkins worked for the Roane-Anderson Company.
Heinie 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.
