National Museum of Nuclear Science & History
Ellis Ryan was a staff worker at Los Alamos during the Manhattan Project.
Margaret Brown was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
David Greenglass (1922-2014) was a machinist and member of the Special Engineer Detachment who engaged in espionage activities for the Soviet Union at Los Alamos during the Manhattan Project.
Clarke worked in the United States Engineer District Office.
Attended Pennsylvania State University.
