• 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
• Human heart transplant by Bernard
• Vaccine (measles) by Peebles
• Vaccine (polio) by Salk
• Vaccine (rabies) by Louis Pasteur
• Vaccine (small pox) by Edward Jenner
• Cause of Malaria was discovered by Ronald Ross
• Adding machine invented by Pascal
• Atom Bomb by Otto Hahn
• Air Brake by George Washington
• Air Conditioning by H. Carier
• Airplane (with motor) by Wright Bothers
• Airplane (jet engine) by Ohain
• Automobile (electric) by William Morrison
• Automobile (differential gear) by Benz
• Bakelite by Leo Hendricks Backland
• Balloon by Mont Golfer
• Barometer by Torricelli
• Bicycle (modern) by Starley
• Bifocal lens by Benjamin Franklin
• Burner (gas) by Bunsen
• Calculating machine (digital) by Charles Babbage
• Camera (photographic) by Josef N. Niepce
• Carburetor by Daimler
• Cement by Joseph Aspidin
• Circuit breaker by Hilliard
• Computer (electronic) by J.P.Eckert and J.W.Mauckly
• Diesel engine by Rudolf Diesel
• Digital camera was invented by Eastman Kodak.
• Gas engine by Daimler
• Electric fan by wheeler
• Electric flat iron by Henry Sealy
• Electric generator by Hippolyte Pixie
• Electric motor by Michael Faraday
• Motor A.C by Tesla
• Motor D.C by Devin Port
• Electric shaver by W.S. Hadaway
• Electric vaccum cleaner by James Spangler
• Electromagnet by William Sturgeon
• Electron Microscope by Vladimir Zwryin
• Microscope (compound) by Janessen and Leeuhock
• Flying shuttle by Johan Kay
• Gun powder by Roger Bacon
• Gas engine (four cycle) by Otto and Daimler
• Helicopter by Sikorsky
• Interneral combustion engine by Daimler
• Jet engine by Frank Whittle
• Knitting Machine by William Lee
• Lamp (incadecent) by Thomas Edision
• Montgoflier invented balloon.
• Talbot invented photographic paper.
• Dickenson invented paper machine.
• Blanchard invented parachute.
• Colt’s invention is pistol.
• Howe was the inventor of sewing machine.
• Lamp (mercury) by Hewit
• Laser (practical) by Gordon Gould
• Laser (operable) by T.H.Mainman
• Machine gun by Gatling
• Match (safety) by Pasch
• Microphone by Graham Bell
• Motion pictures (camera) by Edison
• Motor cycle by Daimler
• Motor scooter by Bradsha
• Parachute by Garnerin
• Pen (fountain) by Waterman
• Pen (ball-point) John Loud Biro
• Photoelectric cell by Julius Elster
• Piano by Christopher
• Printing press (screw type) by Guten Berg
• Radar by Watson Watt
• Railway (electric) by Werner Siemens
• Razor safety by Gillette
• Razor (electric) by Jacob Schick
• Refrigerator by Ferdinand Carre
• Revolver by Samuel Solt
• Rifle by August Kotter
• Rifle (automatic) by John Moses Browning
• Rocket Engine by Goddard
• Safety pin by Walter Hunt
• Sewing Machine by Elias Howe and Thomas Saint
• Stainless steel by Herry Brearley
• Stream boat by Abbans
• Submarine by Holland
• Tank military by Swinton
• Telephone by Graham Bell
• Radio by Marconi
• Telescope (reflecting) by Galileo
• Telescope (refracting) by Newton
• Television (mechanical) by J.L. Baird
• Television (electric) by Fransworth
• Thermometer by Galilo
• Termomter (mercury) by Farhenheit
• Tractor by Robert Keeley
• Transformer by William Stanley
• Transistor by William Shockley
• Type writer by Henry Mill
• Washing machine (electric) by Alva Fisher
• Washing machine (manual) by Hamilton E. Smith
• Welding (electric) by E. Thomson
• Zipper (meshed tooth) by Gideon Sundback
• Celcius devised Centrigrade scale
• Bacteria were discovered by Louis Pasture.
• Ramsay discovered inert gas.
• Proton was discovered by Goldstein
• Who is credited with the development of polio vaccine? Jonas Salk
• Christopher Cockerel invented what: Hovercraft
• The electric chair was invented by a dentist
• Bardeen and Brattin discovered Semiconductor
• What was invented by James Dewer in 1872: Vacuum or thermos flask
• Atom Bomb (Uranium Fission) was invented by Otto Hahn in 1941.
• Electron was discovered in 1897.
• Oxygen was discovered in 1774.
• Tomas A Edison was American.
• X-rays and Cosmic rays were discovered by Arthur Compton.
• Printing press was invented by Johann Gutenberg.
• Gramophone was invented by Emile Berliner.
• Blood pressure was discovered by William Harvey.
• Magnifying glass was invented by Roger Bacon.
• Insulin was discovered by Banting.
• Michael Faraday invented Electric Motor in belonged to England.
• ECG invented by Einthogen.
• Columbus Day is observed on 2nd Monday in October.
• In 1774 Oxygen was discovered by Priestly.
• In 1589 William Lee invented knitting machine.
• More than 2000 years ago a Roman Ruler Julius Caesar invented the calendar that we use today.
• Lipstick was first introduced in 1915 in America.
• Zippers were introduced in 1890.
• China was discovered by Marco Polo.
• Sea route from Europe to India was discovered by Vasco-de-Gama.
• Canada was discovered by Jacques Cartier.
• Australia was discovered by William Jon zoon.
• Parachute was invented by L.S Lenormand in 1783.
• Box Camera was invented by G.Eastman in 1988.
• Electric Generator was invented by Hippolyte Pixil in the year 1832. He belonged to France.