National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
J. T. King served in the 509th Headquarters and Base Services Squadron.
Martha Zukas was a nurse at Oak Ridge and Los Alamos during the Manhattan Project. One of nine children, Zukas grew up in Ellwood City, PA.
John Ruhoff worked for the United States Engineer District Office.
Paris Howard was a member of the Special Engineering Detachment (SED) assigned to Los Alamos from May 1945 to April 1946.
