Physics and Chemistry
Archimedes—Invention of the famous Archimedean law, discovery of the principles of lever and specific gravity.
Avogadro—An Italian scientists known for Avogadro’s hypothesis.
Bacquarrel—Radio-activity of uranium.
Benjamin Franklin—Lightning conductor.
Bhabha H.J.—Research in cosmic rays and quantum theory.
Bose, S.N.—Discovery of nuclear particles ‘Boson’.
Bohr—Electron Theory, Atomic structure.
Cavendish—Discovery of hydrogen, rare gases, chemical composition of water.
Charles Darwin—Theory of Evolution; Origin of Species.
Dalton—Law of partial pressures; Atomic theory; laws of chemical combination; the law of multiple proportions.
Democritus—(Greek Philosopher)—Atomic theory.
Pioneers in Mechanical Inventions and Discoveries
Daimler—Gas engine, Automobile.
Davy—Miner’s Safety Lamp.
Edison—First electric bulb and gramophone.
Frank Whittle—Jet propulsion.
Franklin Benjamin—Lightning conductor.
James Puckle—Machine Gun.
Hoe—Rotary Printing Press.
James Watt—Steam engine (1769).
R.A. Watson Watt—Radar.
W. & O. Wright—Aeroplane.
Whittle, Frank—Jet propulsion.
Medical Inventions and Discoveries
Banting—Insulin (a cure for diabetes).
Bernard Christian—Replacing the human heart.
Brahmchari, U.M.—Cure of Kala-a-zar fever.
Domagk—Sulpha drugs as bactericides.
Fleming Alexander—Penicillin (in 1929).
Harvey—Circulation of blood.
Hahnemann—Founder of Homeopathy.
Hopkins. F.G.—Vitamin D.
Koch Robert—Tubercle Bacillus.
Lister, Lord—Antiseptic surgery.
Pasteur Louis—Treatment of rabies; cure of hydrophobia.
Ronald Ross—Malaria parasite.
Salk Jonas E.—Anti-polio. Vaccine.
Simpson and Harrison—Chloroform.
Amundsen—Discovered South Pole in Dec. 14, 1911.
Armstrong, Neil A.—(U.S.A.) First person to set foot on the moon on July 20, 1969.
Cabot Sebastian—Discovered New Found land in 1497.
Columbus Christopher—Discovered America in 1492 and South America in 1498.
Copernicus—Discovered solar system in 1540. He propounded the astronomical system which bears his name.
Edmund Hillary—Conquered Mt. Everest on May 29, 1953, along with Sherpa Tenzing.
Ferdinand de Lesseps—Conceived the plan of the Suez Canal on which work was completed in 1969.
Henry Hundson—Discovered Hudson Bay in 1610.
Kepler—Discovered the Laws of Planetary Motion in 1609.
Magellan—Sailed round the World in 1519.
Marco Polo—A Venetian Traveller who explored China (in 1272) India. South—eastern countries.
Peary, Robert—Discovered North Pole in 1909.
Tabei Mrs. Junko—She is the first-ever woman to climb Mt. Everest on May 16, 1975.
Tasman—Dutch navigator, discovered the Tasmania Island and New Zealand in 1649.
Vasco-De-Gama—The Portuguese sailor rounded the Cape of Good Hope and discovered sea route to India and reached Calicut (now Khozikhode) in 1498.