SCIENTISTS AND THEIR CONTRIBUTIONS

NAMES	CONTRIBUTIONS
Sir Issac Newton	Universal law of Gravitation Laws of Motion
Archimedes	Principle of Buoyancy Principle of Levers
W. K. Roentegen	Discovery of X-Rays
Albert Einstein	Law of Photo Electricity Theory of Relativity
S. N. Bose	Quantum Statistics
E. Rutherford	Nuclear Model of Atom
C. V. Raman	Inelastic Scattering of light wave theory of light
Christian Huygens	Proposed the geometrical wave theory of light
C. Doppler	Experimented with sound waves, derived expression for the apparent change in wavelength due to relative motion between the source and observer
Michael Faraday	Law of Electromagnetic Induction Devised the first Electrical Transformer
Edwin Hubble	Expanding Universe
J. J. Thomson	Discovery of Electron
J. Balmer	Developed the empirical formula to describe the hydrogen spectrum
L. V de Brogile	Wave nature of matter
H. R. Hertz	Worked on electromagnetic phenomana Discovered Radio Waves Discovered Photoelectric effect
J. C. Bose	Ultra short radio waves
W. Heisenberg	Uncertainity Principle Quantum Mechanics
H. Yukawa	Theory of Nuclear Forces
R. A. Milikan	Measurement of the charge of an electron
Rudolf Clausius	Developed second law of thermodynamics A statement that the entropy of the Universe always increases
Sadi Carnot	Founded the science of thermodynamics
A P J Abdul Kalam	Popularly known as Missile Man of India for his work on the development of ballistic missile and launch vehicle technology
Johannes van der Walls	Worked on equations of state for gases and liquids
Lord Rayleigh	Discovered Argon gas and explained how the light scattering is responsible for red colour of sunset and the blue colour of the sky
Max Planck	Formulated the Quantum Theory
Piete Zeeman	Discovered splitting of spectral lines in strong magnetic field
Marie Curie	Discovered radioactivity of thorium Co-discovered radium and polonium
James Chadwick	Discovery of neutron
David J. Wineland	Manipulation of individual quantum systems
Aristotle	Classification of Animala
Theophrastos	Systematic study of botany
Zaccharius Janssen	First Compound Microscope
Robert Hook	Cell
Francesso redi	Opposed Spontaneous generation theory
Anton Von Leeuwenhoek	Observed protozoa and calls them animalcules
Carolous Linnaeus	Binomial nomenclature
Lazzaro Spallanzani	Disapproved theory of spontaneous generation
Edward Jenner	Smallpox vaccine
Jean Bapiste Lamarck	Modern theory of evolution
Schleiden and Schwann	Cell theory
Louis Pasteur	Fermentation Pasteurization
Charles Darwin	Theory of evolution by natural selection
Gregor Mendel	Laws of Inheritance
Friedrich Miescher	Discovered Nucleic acid
Robert Koch	Germ theory of Diseases Developed immunization techniques Koch’s postulates
Kuhne	Coined the term enzyme
Karl Landsteiner	Blood groups
William Bateson	Coined the term genetics
Mikhail Tsvet	Discovered Chromatography
Wilhelm Johannsen	Coined the term gene
Alexander Fleming	Discovered Penicillin
Hans Adolf Krebs	Urea Cycle Tricarboxylic acid cycle
Ernst Ruska	Developed electron microscope
Singer and Nicholson	Fluid mosaic model
Robert H. Whittaker	Five kingdom classification