List of some great Contributors of Physics and their discovery

Discovery/Contribution	Contributor Name	Country
Archimedes	Principle of buoyancy, Principle of the lever	Greece
Galileo Galilei	Law of inertia	Italy
Christiaan Huygens	Wave theory of light	Holland
Isaac Newton	Universal law of gravitation, Laws of motion, Reflecting telescope	U.K.
Michael Faraday	Laws of electromagnetic induction	U.K.
James Clerk Maxwell	Electromagnetic theory, Light- an electromagnetic wave	U.K.
Heinrich Rudolf Hertz	Generation of electromagnetic wave	Germany
J. C Bose	Ultra short radio waves	India
W. K. Roentgen	X- rays	Germany
J. J. Thomson	Electron	U.K.
Marie Sklodowska Curie	Discovery of Radium and Polonium, Studies on natural radioactivity	Poland
Albert Einstein	Explanation of photoelectric effect, Theory of relativity	Germany
Victor Francis Hess	Cosmic radiation	Austria
R. A. Millikan	Measurement of electronic charge	U. S. A
Ernest Rutherford	Nuclear model of atom	New Zealand
Neils Bohr	Quantum model of Hydrogen atom	Denmark
C.V. Raman	Inelastic scattering of light by molecules	India
Louis Victor de Borglie	Wave nature of matter	France
Meghnad Saha	Thermal ionization	India
Satyendra Nath Bose	Quantum statistics	India
Wolfgang Pauli	Exclusion principle	Austria
Enrico Fermi	Controlled nuclear fission	Italy
Werner Heisenberg	Quantum mechanics, Uncertainty principle	Germany
Paul Dirac	Relativistic theory of electron, Quantum statistics	U. K.
Edwin Hubble	Expanding universe	U. S. A
Ernest Orlando Lawrence	Cyclotron	U. S. A
James Chadwick	Neutron	U. K.
Hideki Yukawa	Theory of nuclear forces	Japan
Homi Jehangir Bhaba	Cascade process of cosmic radiation	India
Lev Davidovich Landau	Theory of condensed matter, Liquid Helium	Russia
S. Chandrasekhar	Chandrasekhar limit, Structure and evolution of stars	India
John Bardeen	Transistors, Theory of super conductivity	U. S. A
C. H. Townes	Maser (Microwave amplification by stimulated emission of radiation), Laser	U. S. A
Abdus Salam	Unification of weak and electromagnetic interactions	Pakistan