National Museum of Nuclear Science & History
Markle worked for Stone and Webster Engineering Corporation.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Paul Raymond Nelson was born in Hagerman, Idaho on May 31st, 1916. Soon after, he moved to Olympia, Washington and then to Seattle.
Lillian Sexton was a switchboard operator at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Attended Case Western Reserve University.
