National Museum of Nuclear Science & History
Eugene Olsen was a staff worker at Los Alamos during the Manhattan Project.
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
Harold F. Seaman served in the 603rd Air Engineering Squadron.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.
