National Museum of Nuclear Science & History
F. A. Lehmann worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kelleher worked for Stone and Webster Engineering Corporation.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.
Sam Weissman (1912-2007) was an American chemist. Weissman was born in South Bend, Indiana. He received a B.
