National Museum of Nuclear Science & History
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.
Jules Guéron was a French chemist and atomic scientist, who helped develop atomic energy in France. Guéron was born in Tunis on June 2, 1907.
Thomas Guilfoyle was a member of the Military Police at the University of Chicago's Metallurgical Lab from 1943 to 1945.
