SCIENTISTS DISCOVERY NEWTON Law of gravitation. BOHR Quantum model of hydrogen atom. MAXWELL Unification of light and electromagnetism EINSTEIN Theory of relativity RAMAN In elastic scattering of light by molecules. SALAM Unification of weak & electromagnetic interaction. FARADAY Law of electromagnetic induction HUBBLE Expansion of the universe. CHADWICK Neutron RUTHERFORD Nuclear model of the atommore..