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Niels Bohr - A Danish physicist known is the first to apply quantum theory to the study of atomic and molecular particles.

Sir James Chadwick - An English physicist credited with the discovery of the neutron.

Arthur Compton - An American physicist who shares the Nobel Prize for Physics in 1927 for research on X rays.

Albert Einstein - A German-Jewish physicist whose theories of relativity forever change scientific approaches to space, time, and gravity.

Enrico Fermi - An Italian-born physicist who wins the Nobel Prize for physics in 1938 for research on nuclear fission.

Richard Feynman - An American theoretical physicist who receives the Nobel Prize for physics in 1965 for work on the theory of quantum electrodynamics.

Otto Frisch - An Austrian-born physicist who works on the Manhattan Project at Los Alamos, New Mexico, discovering and naming uranium fission in 1939.

Brigadier General Leslie R. Groves - The...

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