National Museum of Nuclear Science & History
Arthur was a staff member at Los Alamos during the Manhattan Project.
John Perry Howe, Jr. was Associate Director at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Philip Cooperman was a member of the Special Engineer Detachment on the Manhattan Project from 1944-1946.
Matoske worked in the 300 Area at Hanford during the Manhattan Project.
John Smith was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
