National Museum of Nuclear Science & History
Robert Phillips was a staff worker at Los Alamos during the Manhattan Project.
R. K. Edwards worked for the J.A. Jones Construction Company.
Burr H. Ritter was a chemical engineer at the Hooker Chemical Company in Niagara Falls, New York during the Manhattan Project.
William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.
