Robert M. Sprague

Delmar E. Russell

Delmar Russell worked for the United States Engineer District Office. He arrived in February 1943.

Percy A. Wells

Richard McCardell

Richard McCardell was a nuclear engineer at the National Reactor Testing Station (today Idaho National Laboratory).

Emil J. Konopinski

Emil J. Konopinski (1911-1990) was an American theoretical physicist. After receiving his Ph.D. from the University of Michigan, Konopinski worked as a National Research Council Fellow with Hans Bethe at Cornell University.