National Museum of Nuclear Science & History
H. R. Elliott worked for the Fercleve Corporation.
J. W. Hoover worked for the Edenfield Electric Company.
Waldemar Nielsen (1917-2005) worked on the postwar surveys of Hiroshima and Nagasaki in Japan. Nielsen was born in Greensburg, Pennsylvania.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
