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.
Stemler worked for Stone and Webster Engineering Corporation.
R. R. Rebol served in the 509th Headquarters.
Preston Veltman was an American chemist. Veltman was born in Grand Rapids, Michigan. He studied at Michigan Technological University, and earned a Ph.