| 1 |
Air Brake |
George Westinghouse |
| 2 |
Aniline Dyes |
Hoffman |
| 3 |
Antiseptic Surgery |
Lord Joseph Lister |
| 4 |
Archimedean Screw |
Archimedies |
| 5 |
Avogadro's Hypothesis |
Avogadro |
| 6 |
Atomic Number |
Mosley |
| 7 |
Atomic Theory |
Dalton |
| 8 |
Atomic Structure |
Bohr and Rutherford |
| 9 |
Automobile |
Daimler |
| 10 |
Balloon |
Montgolfier |
| 11 |
Barometer |
Torricelli |
| 12 |
Beri - Beri |
Eijkman |
| 13 |
Bicycle |
Macmillian |
| 14 |
Blood Circulation |
Harvey |
| 15 |
Boson |
S.N.Bose |
| 16 |
Boyle's law |
Boyle |
| 17 |
Braille |
Louis Braille |
| 18 |
Breaking up the Nucleus of an atom |
Rutherford |
| 19 |
Celluloid |
Parkes |
| 20 |
Chloroform |
James Harrison and James Young Simpson |
| 21 |
Cholera Bacillus |
Robert Koch |
| 22 |
Cinematography |
Thomas Alva Edison |
| 23 |
Coloured Photography |
Lippman |
| 24 |
Cosmic Rays |
R.A.Millikan |
| 25 |
Crescograph |
J.C.Bose |
| 26 |
Crystal Dynamics |
C.V.Raman |
| 27 |
Cyclotron |
Lawrence |
| 28 |
D.D.T. |
Dr.Paul Muller |
| 29 |
Deuterium (Heavy Water) |
H.C.Urey |
| 30 |
Diesel Oil Engine |
Rudolf Diesel |
| 31 |
Discovery of North Pole |
Robert Peary (1909) |
| 32 |
Discovery of South Pole |
Amundson (1912) |
| 33 |
Discovery of West Indies |
Columbus (1492) |
| 34 |
Discovery of Solar System |
Copernicus (1540) |
| 35 |
Discovery of Laws of Planetary Motion |
Kepler |
| 36 |
Discovery of Specific Gravity |
Archimedes |
| 37 |
Drinker's Chamber of Iron Lung |
Dr.Philip Drinker |
| 38 |
Dynamite |
Alfred Nobel |
| 39 |
Dynamo |
Faraday |
| 40 |
Dynamical theory of Heat |
Lord Kelvin |
| 41 |
Deciphering the genetic code |
Dr.Hargobiad Khorana |
| 42 |
Discovery of Electrons |
J.J.Thomson |
| 43 |
Electric Battery |
Volta |
| 44 |
Electric Lamp |
Edison |
| 45 |
Electricity |
Faraday |
| 46 |
Electron Theory |
Bohr |
| 47 |
Electromagnetic Theory |
Maxwell |
| 48 |
Electrical Waves |
Heitz |
| 49 |
Electric Measurement |
Gauss |
| 50 |
Effect of Pressure on trough bodies |
Meghnad Saha |
| 51 |
Fahrenheit Scale |
Fahrenheit |
| 52 |
Film & Photographic goods |
Kodak |
| 53 |
Fundamental Laws of Electric Attraction |
Coulomb |
| 54 |
Fountain Pen |
Waterman |
| 55 |
Geometry |
Euclid |
| 56 |
Gun powder |
Rogei Bacon |
| 57 |
Gramophone |
Thomas Alva Edison |
| 58 |
Helicopter |
Broquett |
| 59 |
Helium Gas |
Lockyer |
| 60 |
Heavy Hydrogen |
Urey |
| 61 |
Homoeopathy |
Hahnemann |
| 62 |
Hovercraft |
Cockrell |
| 63 |
Hydrogen |
Cavendish |
| 64 |
Hydrophobia |
Louis Pasteur |
| 65 |
Induction of Electric Current |
Faraday |
| 66 |
Incandescent Bulb |
Edison |
| 67 |
Induction Coil |
Rohm Korff |
| 68 |
Insulin |
F.Banting |
| 69 |
Intelligence test |
Binet |
| 70 |
In Number Theory |
Ramanujam |
| 71 |
Jet Propulsion |
Frank Whittle |
| 72 |
Kala-azar Fever |
U.N.Brahmachari |
| 73 |
Laughing Gas |
Priestley |
| 74 |
Life Boat |
Henry Great Head |
| 75 |
Lift (Elevators) |
Otis |
| 76 |
Lightning Conductor |
Benjamin Franklin |
| 77 |
Linotype |
Mergenthaler |
| 78 |
Line of demarcation (ship) |
Plimsoll |
| 79 |
Laws of Electrical Resistance |
Ohm |
| 80 |
Law of Electrolysis |
Faraday |
| 81 |
Law of gases |
Gay Lussac |
| 82 |
Laws of Gravitation |
Newton |
| 83 |
Laws of Heredity |
Gregory Mandel |
| 84 |
Logarithms |
John Napier |
| 85 |
Laws of Motion |
Newton |
| 86 |
Laws of Natural Selections |
Darwin |
| 87 |
Laws of Multiple Proportion |
Dalton |
| 88 |
Liquid Oxygen |
Dewar |
| 89 |
Mathematical Astro Physics |
Chandrasekhar |
| 90 |
Measurement of Electrical Energy |
Joule, James Prescoft |
| 91 |
Mauve dye |
Perkin |
| 92 |
Machine Gun |
Dr.Gatting |
| 93 |
Malarial Parasite |
Ronald Ross |
| 94 |
Mechanical Equivalent of Heat |
Joules |
| 95 |
Meson |
Hideki Yakawa |
| 96 |
Microphone |
Berliner |
| 97 |
Microscope |
Janes |
| 98 |
Montessori Method |
Maria Montessori |
| 99 |
Molecular Scattering of light in fluid |
Ramanathan |
| 100 |
Neon Gas |
Ramsay, Travers |
| 101 |
Neutron |
Chadwick |
| 102 |
Nuclear Fission |
Otto Hahn, Bohr and Fermi |
| 103 |
Nylon Plastic |
Carothers |
| 104 |
Origin of Species |
Charles Darwin |
| 105 |
Oxygen |
Priestly |
| 106 |
Paints |
Shalimar |
| 107 |
Penicillin |
Fleming |
| 108 |
Periodic Law |
Mendeleef |
| 109 |
Phonograph |
Edison |
| 110 |
Phonographic Shorthand |
Pitman |
| 111 |
Photograph |
Dauguerre |
| 112 |
Principle for lever (S.P.Gravity) |
Archimedes |
| 113 |
Phototherapy |
N.R.Finsen |
| 114 |
Positive Electrons |
Anderson |
| 115 |
Powerloom |
Cartwright |
| 116 |
Pneumatic Tyre |
Dunlop |
| 117 |
Printing for the Blind |
Braille |
| 118 |
Printing Press |
Caxton |
| 119 |
Printing Types |
John Guttenberg |
| 120 |
Psycho-analysis |
Dr.Sigmund Freud |
| 121 |
Quantum Theory |
Max plank |
| 122 |
Radio-activity of Uranium |
Henry Becquerel |
| 123 |
Raman effect |
C.V.Raman |
| 124 |
Radium |
Madame Curie |
| 125 |
Railway Engine |
Stephenson |
| 126 |
Radio transmitter |
Alexanderson |
| 127 |
Rare Gas |
Cavandish |
| 128 |
Replacing human heart |
Christian Barnard |
| 129 |
Revolver |
Colt |
| 130 |
Safety Lamp |
Davy |
| 131 |
Safety Razor |
Gillet |
| 132 |
Salk Vaccine |
Salk |
| 133 |
Seismograph |
Roberts Mallet |
| 134 |
Scientific astronomy |
Hippalus |
| 135 |
Sewing Machine |
Elias Howe |
| 136 |
Sextant |
Hadley |
| 137 |
Space flying |
Braun, Dr.Wernher Von |
| 138 |
Steam boat |
Fulton |
| 139 |
Steam Engine |
James Watt |
| 140 |
Steam Turbine |
Parsons |
| 141 |
Spectroscope |
Bunsen |
| 142 |
Steel Melting Process |
Bessemer |
| 143 |
Stethoscope |
Laennec |
| 144 |
Submarine |
Bushwell |
| 145 |
Sulpha Drugs |
Domagk |
| 146 |
Theory of Relativity |
Einstein |
| 147 |
Theory of Evolution |
Darwin |
| 148 |
Theory of conditioned reflex |
Pavlov |
| 149 |
Talkies |
Lee-de-Frost |
| 150 |
Tank |
Swinton |
| 151 |
Telegraphic Code |
Samuel Morse |
| 152 |
Telephone |
Graham Bell |
| 153 |
Telescope |
Galileo |
| 154 |
Television |
Baird |
| 155 |
Thermometer |
Galileo |
| 156 |
Thermos Flasks |
Dewar |
| 157 |
T.N.T. |
llly Brandt |
| 158 |
Transistor |
Shockley |
| 159 |
Typewriter |
Sholes |
| 160 |
Uranium fusion |
Oho Hahn |
| 161 |
Uranus (Planet) |
Herschel William |
| 162 |
Vaccination |
Jenner |
| 163 |
Vitamins |
Funk |
| 164 |
Washing Soda |
Lablanc |
| 165 |
Wireless Communication |
Oliver Lodge |
| 166 |
Wireless Telegraphy |
Marcony |
| 167 |
X - Rays |
Roentgen |
| 168 |
Zip Fastener |
W.L.Judson |
