National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Alex V. Wright served in the 393rd Bombardment Squadron.
Lorraine Thurman was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Mason worked in the 300 Area at Hanford during the Manhattan Project.
Elzie Chapman served in the 1395th Military Police Company, Aviation.