National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Charles Dreckshage served in the 603rd Air Engineering Squadron.
Winifred T. Koziolek was a laboratory technician the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jesse Kupferberg was a Technical Sargeant in the US Army who participated in Project Alberta, the group tasked with transporting and assembling the two atomic bombs in 1945.
W. A. Chalkley worked for the Tennessee Eastman Corporation at the Y-12 Plant.
