National Museum of Nuclear Science & History
Ralph Gates (1925-2018) was a chemical and electrical engineer who was recruited to the Manhattan Project as a part of the Special Engineer Detachment in early 1945.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.
J. V. O’Connor worked for the Union Carbide & Carbon Corporation.
C. M. Wallace worked for the J.A. Jones Construction Company.
