• Galileo was first to discover rotation of earth
• Kohler and Milstein discovered monoclonal antibodies.
Photography was invented by Mathew Barry
• Albert Sabin invented Polio vaccine (oral)
• Dmitry Ivanovich Mendeleyev (Russian) published his first version of periodic table in 1869.
• X-ray machine was invented by James Clark
• Arthur Campton discovered x-rays and Cosmic rays.
• Chadwick discovered Neutron
• Telescope was invented by Galileo
• Penicillin was discovered by Alexander Fleming
• Noble gases discovered by Cavendish • Gun powder was first invented in China
• Velocity of light was measured by Michelson
• Archimedes gave laws about Floatation of Bodies
• Balloon fly up in air according to Archimedes’s principle
• Dr. Christian Bernard was first to perform heart transplant in 1967 in cape town(SA)
• First man to receive artificial heart was Dr. Barney B. Clark
• Barometer was invented by Pascal
• Robert Hook discovered Cell in 1665
• Aspirin discovered by Dresser
• Atomic theory given by Dalton
• Atomic number given by Mosley
• Bacteria by Leeunhock
• Blood circulation by William Harvey
• Calculus by Newton • Co2 by Fishcer
• Chlorine by K. Scheele
• Oxygen by Priestley
• Hydrogen by Cavandish
• Super conductor by Bendnorz and Muller in 1987 and were awarded Nobel Prize
• Cotton gin was invented by Eli Whitney
. • Chloroform by Guthrie
• Deuterium by Harlod
• Dynamite by Alfred B. Nobel
• DNA by Watson Crick
• Gene by Johanson
• Chromosomes by Waldyar
• Electric resistance by Ohm
• Electrolysis by Faraday
• Electron by J.J. Thomson in 1897
• Neutron by Chadwick
• Proton by Rutherford
• Positron by Anderson
• Ozone by Echonbein
• Planetary motion by Kepler
• Radioactivity by Bacquerel
• Radium by Currie
• Insulin by Banting & Best
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