National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Phil Matranga served in the 1395th Military Police Company, Aviation.
Paul R. O’Connor was a junior chemist at the University of Chicago Met Lab during the Manhattan Project.
Marilyn (Evans) Howe was a research assistant in the Technical Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
