National Museum of Nuclear Science & History
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.
Ruth Haley worked on the Manhattan Project at Los Alamos. She was married to scientist Jano Haley.
Attended Purdue University.
D. A. Parker worked for the Edenfield Electric Company.