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Physics and Chemistry

ScientistInvention / Discovery
AndersonDiscovered positive electrons.
ArchimedesDiscovery of the Principles of lever and of specific gravity; invention  of the famous Archimedean screw.
AvogadroAn Italian scientist known for Avogadro’s Hypothesis.
BacquerelRadio-activity of uranium.
Baron NapierLogarithms.
Benjamin FranklinInvented lightning conductor.
BessemerSteel smelting process.
Bhabha, Dr H.J.Research in Cosmic rays and Quantum theory.
BinetIntelligence Test.
Birbal SahniResearches in Botany.
Bose, J.C.Invented Crescograph and published many works on plant physiology. He discovered that plants have sense and perception.
Bose, S.N.Discovery of a group of nuclear particles named after him “Boson”.
BoyleBoyle’s law; Pressure x volume = constant at a constant given temperature. Boyle was the greatest scientist of England in his time.
BohrElectron TheoryAtomic structure.
Braun, Dr Wernher vonspace flying.
BunsenInvention of the spectroscope.
CarothersNylon plastics.
CavendishDiscovery of chemical composition of water; discovery of hydrogen (Inflammable Air); ‘rare gases’.
ChadwickDiscovery of the neutron.
ChandrasekharMathematical Astrophysics.
Charles DarwinTheory of Evolution; Origin of Species.
Clarke, Arthur C.Concept of Geostationary Orbit.
Curie, MadameDiscovery of radium.
DaltonAtomic theory; laws of chemical combination; law of partial pressures; the law of multiple proportions.
DemocritusGreek philosopher(Atomic theory).
DewarInvented cordite, liquid oxygen and introduced thermos flask.
EinsteinTheory of relativity.
EuclidScience of geometry.
FahrenheitFahrenheit mercury thermometric scale in which freezing point is  –32° and boiling point is 212°.
FaradayElectromagnetic induction and laws of electrolysis.
FermiDiscovered artificial splitting of atoms.
FreudDoctrine of Psycho-analysis.
Gay LussacLaw of gases.
GaussSystem of absolute electric measurements.
Good YearDiscovered the art of vulcanising rubber.
Herschel, WilliamDiscovered the PlanetUranus.
HertzElectrical waves.
HippalusFounder of scientific astronomy.
HoffmannDiscovered the first aniline dye.
Kelvin, LordDynamical theory of heat.
Khorana, Dr HargobindDeciphering the genetic code.
KodakFilm and photographic goods.
LablancManufacture of washing soda.
LawrenceInvention of cyclotron.
LockyerHelium gas.
Louis BraillePerfected his system of  reading and writing for the blind.
MarconiWireless telegraphy; radio.
Maria-Montessori‘Montessori’ method of teaching children.
MaxwellElectro-magnetic Theory of Light.
Meghnad SahaEffect of pressure on Radiation through bodies.
MendelLaws of heredity.
MandeleevPeriodic Table.
MorseMorse system of electric telegraphy.
NewtonLaws of gravitation; Law of Motion.
Oliver LodgePhysicist. Researches in wireless communications.
OppenheimerResearches in atomic theory.
Otto HahnDiscovery of uranium fission.
ParsonsSteam turbine.
PavlovTheory of Conditioned Reflex.
Perkin‘Mauve dye’.
PitmanFounded the Pitman system of phonographic shorthand.
PlanckQuantum theory.
PlimsollIntroduced a line of demarcation on the ships beyond which the ships cannot be loaded.
PriestleyDiscovery of Oxygen.
Raman, C.V.“Raman Effect” on polarisation of light and theories on crystals and diamond formation.
RamanathanMolecular scattering of light in fluids.
RamanujamA great Indian mathematician.
RamsayDiscovery of Inert gases such as Argon, Neon, Helium etc.
Ray, P.C.Researches in chemistry.
RegnaultExperiments in regard to the physical properties of bodies and their relation to heat.
Roger BaconGun powder.
RontgenDiscovery of X-rays.
RohmkorffInduction coil.
RutherfordAtomic Research; succeeded in splitting the atom for the first time in 1918.
StephensonBritish engineer and pioneer in Railways. He was the first to put a locomotive on the line that was able to draw a train of 31 carriages.
Thomson, J.J.Discovered electron.
TraversDiscovery of Neon gas (Working with Ramsay).
UreyDiscovery of Heavy Hydrogen.
VoltaCurrent electricity and electric battery.

Last updated on: 19/11/2019



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