Abraham - Louis Breguet
Discovery : Watch

Adolph Rickenbacker
Discovery : Electric Guitar

Dr Alan Mathison Turing
Discovery : Electronic (Computer)

Albert Einstein
Discovery : Theory of Relativity E=mc2

Albert H. Taylor
Development of : Radar

Alessandro Volta
Discovery : Electric Battery

Alexander Catlin
Discovery : Refrigerator

Alexander Fleming
Discovery : Penicillin

Sir Alexander Graham Bell
Discovery : Telephone, Microphone

Alexandar Parkes
Discovery : Parkesine, the first man-made plastic.

Alfred B Nobel
Discovery : Dynamite

Alfred Binet
Discovery : I . Q . Test (Intelligence Test)

Alfred Kinsey
Discovery : Human Sexuality

Alfred Wegener
Discovery : Continental Drift

Amedeo Avogadro
Discovery : Avogadro ’s Hypothesis

Amos E Dolbear
Discovery : Microphone

Anders Celsius
Discovery : Centrigrade Scale

Andre - Marie Ampere
Discovery : Galvanometer

Andreas Vesalius
Discovery : New Anatomy

Antoine Joseph Sax
Discovery : Saxophone

Antoine Laurent Lavoisier
Discovery : Revolution In Chemistry

Archimedes (287 bce)
Discovery : Principle For Lever (S . P . Gravity), Specific Gravity

Arthur Eddington
Discovery : Modern Astronomy

August Kekule
Discovery : Chemical Structure

August Wilhelm Von Hofmann
Discoveries : Formaldehyde, Hydrazobenzene, Isonitriles, Allyl alcohol

Auguste Marie Louis Nicolas Lumiere
Discovery : Cenema

B F Skinner
Discovery : Behaviorism

Benjamin Franklin
Discovery : Lightning rod, iron furnace stove or Franklin Stove, bifocal glasses, odometer

Benjamin Franklin Goodrich
Discovery : Zipper

Blaise Pascal
Discoveries : Adding Machine, Calculating Machine

Carl Benz
Discovery : Gasoline Engine , Automobiles Using Gasoline

Carl David Anderson
Discovery : Positive Electrons

Carl Friedrich Gauss
Discovery : Mathematical Genius

Carl Linnaeus
Discovery : Binomial Nomenclature

Charles William Siemens
Discovery : Electric Furnace

Carlton Mcgee
Discovery : Parking Meter

Chandrasekhara Venkata Raman
Discovery : Raman Effect (when light traverses a transparent material, the deflected light changes its wavelength and frequency. This phenomenon is Raman effect or Raman scattering).

Charles-Augustin de Coulomb
Discovery : Fundamental Laws Of Electric

Charles Algernon Parsons
Discovery : Steam Turbine, Ship (Turbine)

Charles Babbage
Discovery : Computer , Difference Engine

Charles Darwin
Discoveries : Laws Of Natural Selections, Theory Of Evolution, Origin Of Species

Charles F. Brush
Discovery : Arc Lamp

Charles Goodyear
Discoveries : Vulcanised Rubber

Charles Lyell
Discovery : Modern Geology

Charles Macintosh
Discoveries : Raincoat , Waterproof Rubber

Charles Scott Sherrington
Discovery : Neurophysiology

Chester Carlson
Discovery : Zerox Machine

Christiaan Barnard
Discovery : Replacing Human Heart

Christiaan Eijkman
Discovery : Beriberi

Christiaan Huygens
Discovery : Clock (Pendulum)

Christopher Cockerell
Discovery : Hovercraft

Christopher Columbus
Discovery : West Indies

Christopher Latham Sholes
QWERTY keyboard , Typewriter

Claude Bernard
Discovery : Founding Of Modern Physiology

Claude Levi - Strauss
Discovery : Structural Anthropology

Conrad Elvehjem
Discovery : Vitamin Niacin

Cyrus McCormick
Invention : Mechanical reaper which made the harvesting of grain ​

Daniel Gabriel Fahrenheit
Discoveries : Mercury-in-glass thermometer,
Fahrenheit scale.

David Brewster
Discovery : Kaleidoscope

David Bushnell
Discovery : Submarine

Dmitri Mendeleev
Discovery : Periodic Table Of Elements

Edmund Cartwright
Discovery : Power Loom

Edward Butler
Discovery : Three-wheeled petrol automobile called the Butler Petrol Cycle, which many think was the first British car.

Edward Jenner
Discovery : Vaccination

Edward Mellanby
Discovery : Vitamin D

Edward O Wilson
Discovery : Sociobiology

Edward Teller
Discovery : Bomb

Edwin Hubble
Discovery : Modern Telescope

Eli Whitney
Invention : Cotton gin

Elias Howe
Invention : important improvements (Lockstitch loop method) in Sewing Machine

Elisha Graves Otis
Discovery : Elevator

Elisha Gray
Discovery : Microphone

Elmer Verner McCollum
Discovery : Vitamin A, Vitamin B

Emil Fischer
Discovery : Organic Chemistry

Enrico Fermi
Discovery : Cyclotron

Ernest Rutherford
Discovery : Atomic Structure

Sir Ernest Swington
Discovery : Tank

Ernst Alexanderson
Discovery : Radio Transmitter

Ernst Haeckel
Discovery : Biogenetic Principle

Ernst Walter Mayr
Discovery : evolutionary biologist

Erwin Schrodinger
Discovery : Wave Mechanics

Euclid (No date available)
Discoveries : Foundations Of Mathematics, Geometry

Evangelista Torricelli
Discovery : Barometer

Francis Crick
Discovery : Molecular Biology

Francis Galton
Discovery : Eugenics

Sir Frank Whittle
Discovery : Jet Propulsion , Jet Engine

Franz Boas
Discovery : Modern Anthropology

Frederick Banting
Discovery : Insulin

Frederick Gowland Hopkins
Discovery : Vitamins

Frederick Sanger
Discovery : Genetic Code

G Bradshaw
Discovery : Scooter

Gabriel Lippmann
Discovery : Coloured Photography

Galileo Galilei
Discoveries : Thermoscope

Georg Ohm
Discovery : Laws Of Electrical Resistance

Sir George Caley
Discovery : Glider

George Eastman
Discovery : Camera

George Gaylord Simpson
George Stephenson

George Westinghouse
Discovery : Transformer, Air Brake

Georges Claude
Discovery : Neon-Lamp

Gerhard Domagk
Discovery : Sulpha Drugs

Gertrude Belle Elion
Discovery : Pharmacology Gertrude

Gottlieb Daimler
Discovery : internal-combustion engines and automobile development
Automobile, Carburetor

Graf Ferdinand Von Zeppelin
Discovery : Airship (Rigid)

Gregor Mendel
Discovery : Laws Of Inheritance Gregor

Guglielmo Marconi
Discovery : Radio

Gustav Kirchhoff
Discovery : Spectroscopy

Hans Bethe
Discovery : Energy Of The Sun

Hans Selye
Discovery : Stress Concept

Dr. Hargobind Khorana
Discovery : Deciphering The Genetic Code

Harold Clayton Urey
Discovery : Heavy Hydrogen, Deuterium (Heavy Water)

Harry Brearley
Discovery : Stainless Steel

Hedy Lamarr
Invented : Radio-guidance system for torpedoes. The frequency-hopping technology has been used to develop Wi-Fi and Bluetooth.

Heike Kamerlingh Onnes
Heinrich Daniel Ruhmkorff

Heinrich Rudolf Hertz
Discovery : Electrical Waves

Henry Becquerel
Discovery : Radio-Activity Of Uranium

Henry Bessemer
Discovery : Steel Melting Process

Henry Cavendish
Discovery : Hydrogen

Henry Greathead
Discovery : Life Boat Henry

Henry Moseley
Discovery : Inventing the first atomic battery,
Moseley's law in X-ray spectra.

Henry Seely White
Discovery : Electric Iron

Herbert Evans
Discovery : Vitamin E

Hermann Fottinger
Discovery : Automatic Gearbox

Hermann Von Helmholtz
Discovery : Rise Of German Science

Herman Hollerith
Invention : Punch-card tabulation machine system for statistical computation.

Hideki Yukawa
Discovery : Meson Hideki

Hipparchus (Born in 190 BC)
founder of trigonometry

Humphrey Davy
Discovery : Safety Lamp

Isaac Newton
Discovery : Newtonian Revolution

Isaac Singer
Invention : important improvements in the design of Sewing Machine

Ivan Pavlov
Discovery : Theory Of Conditioned Reflex

J Froelich
Discovery : Tractor

Joseph J. Thomson
Discovery : Electron

Jacob Schick
Discovery : Electric Razor

Jacques - Constantin Périer
Discovery : Double-acting engine

Jacques Montgolfier
Discovery : Balloon

Jagadish Chandra Bose
Discovery : Crescograph

James Chadwick
Discovery : Neutron

James Clerk Maxwell
Discovery : Electromagnetic

James Dewar
Discoveries : Liquid Oxygen, Thermos Flasks

Sir James Dyson
Vacuum cleaner.

James Hargreaves
Discovery : Spinning Jenny

James Joule
Discovery : Mechanical Equivalent Of Heat

James Lind
Discovery : Vitamin C

James Naismith
Invented basketball in 1891.

James Prescott Joule
Discovery : Measurement Of Electrical Energy

James Watson
Discovery : Structure Of DNA

James Watt
Discovery : Steam Engine

James Young Simpson
Discovery : Chloroform

Jean Baptiste Lamarck
Discovery : Foundations Of Biology

Jean Piaget
Discovery : Child Development

Johan Edvard Lundstrom
Discovery : Match (Safety)

Johann Philipp Reis
Discovery : Microphone

Johann Vaaler
Discovery : Paper Clip

Johannes Gutenberg
Discovery : Printing Press

Johannes Kepler
Discovery : Motion Of The Planets

Sir John Ambrose Fleming
Discovery : Valve Of Radio

John Bardeen
Discovery : Transistor

John Boyd Dunlop
Discovery : Pneumatic Tyres, Bicycle Tyre

John Dalton
Discovery : Theory Of The Atom

John Hadley
Discovery : Sextant

John Harrison
Discovery : Chronometer

John J Loud
Discovery : Ball-Point Pen

John Logie Baird
Discovery : Television (Mechanical), inventions related to radar and fiber optics.

John Napier
Discoveries : Logarithmic Tables, Logarithms

John Rex Whinfield
Discovery : Terylene

John Von Neumann
Discovery : Modern Computer

Jonas Salk
Discovery : Polio vaccine

Joseph Aspdin
Discovery : Cement

Lord Joseph Lister
Discovery : Antiseptic Surgery

Joseph Louis Gay - Lussac
Discovery : Law Of Gases

Joseph Montgolfier
Discovery : Balloon

Joseph Priestley
Discoveries : Laughing Gas, Oxygen

Kalpathi Ramakrishna Ramanathan
Discovery : Molecular Scattering Of Light In
Fluid

Karl Landsteiner
Discovery : Blood Groups

Katherine Bishop
Discovery : Vitamin E

Kazimierz Funk (Official name)
Casimir Funk (commonly anglicized)
Discovery : Vitamins , Vitamin B1
He called Vitamins "vital amines"

King C. Gillette
Discovery : Safety Razor King

Kirkpatrick Macmillan
Discovery : Bicycle

Konrad Lorenz
Discovery : Ethology

Lee De Forest
Discovery : Film (With Sound)

Leo C. Young
Development of : Radar

Leo H Baekeland
Discovery : Bakelite

Levi Strauss
Discovery : Jeans

Lewis E Waterman
Discovery : Fountain Pen

Llly Brandt (Not sure)
Discovery : T.N.T.

Lord Kelvin
Discovery : Dynamical Theory Of Heat

Louis Braille
Discovery : Printing For The Blind

Louis Charles Breguet (Not sure because many names come up)
Discovery : Helicopter

Louis Francis Patrick Jean Lumière
Discovery : Cenema

Louis-Jacques-Mandé Daguerre
Discovery : Photograph

Louis Pasteur
Discoveries : Germ Theory Of Disease, Hydrophobia, Rabies Vaccine

Louis Victor De Broglie
Discovery : Wave/Particle

Lucretius
Discovery : Scientific Thinking

Lucy Wills
Discovery : Vitamin Folic Acid

Ludwig Boltzmann
Discovery : Thermodynamics

Lynn Margulis
Discovery : Symbiosis Theory

Marie Curie
Discoveries : Radium, Radioactivity

Marcello Malpighi
Discovery : Microscopic Anatomy

Marguerite Davis
Discovery : Vitamin A

Maria Montessori
Discovery : Montessori Method

Max Born
Discovery : Quantum Mechanics

Max Delbruck
Discovery : Bacteriophage

Max Planck
Discoveries : Quanta, Quantum Theory

Max Von Laue
Discovery : X-Ray

Meghnad Saha
Discovery : Effect Of Pressure On Trough Bodies

Michael Faraday
Discoveries : Classical Field Theory, Dynamo,
Electric Generator, Transformer,
electromagnetic induction

Morris Travers
Discovery : Neon Gas

Murray Gell - Mann
Discovery : Eightfold Way

Nicolas Leblanc
Discovery : Manufacture soda ash from common salt

Nicolaus Copernicus
Solar System : Model of the universe that placed the Sun rather than Earth at its center

Nicolaus Otto
Discovery : Otto engine, large stationary single-cylinder internal combustion four-stroke engine

Niels Bohr
Discovery : Atom

Niels Ryberg Finsen
Discovery : Phototherapy

Nikola Tesla
Discovery & Inventions : Electric Motor (AC),
Fluorescent lighting, Tesla induction motor, and the Tesla coil.

Norman Lockyer
Discovery : Helium Gas

Oho Hahn
Discovery : Uranium Fusion

Oliver Lodge
Discovery : Wireless Communication

Orville Wright
Discovery : Aeroplane

Ottmar Mergenthaler
Discovery : Linotype

Otto Hahn
Discovery : Nuclear Fission

Otto Von Guericke
Discovery : Air Pump

Paul Ehrlich
Discovery : Chemotherapy

Paul Gyorgy
Discovery : Vitamin B6

Paul Muller (Not sure of discovery)
Discovery : D.D.T.

Peter Carl Goldmark
Discovery : The Long Playing Microgroove Record

Philip Drinker
Discovery : Drinker’s Chamber Of Iron Lung

Pierre Simon De Laplace
Discovery : Newtonian Mechanics

Rene Laennec
Discovery : Stethoscope

Sir Richard Arkwight
Discovery : Spinning Frame

Richard Feynman
Discovery : Quantum Electrodynamics

Dr Richard Gatling
Discovery : Machine Gun

Richard Trevithick
Discovery : Locomotive

Roald Amundsen
First : First to reach the South Pole and the North Pole

Robert Andrews Millikan
Discovery : Cosmic Rays

Robert Boyle
Discovery : Boyle’s Law

Robert Wilhelm Bunsen
Discovery : Caesium, Rubidium, cacodyl radical, Laboratory Gas Burner

Robert Fulton
Discovery : Steam Boat

Robert Koch
Discovery : Bacteriology
Discovery : Cholera

Robert Peary
Discovery : North Pole

Robert Recorde
Discovery : Equal Sign (=)

Roberts Mallet
Discovery : Seismograph

Roger Bacon
Discovery : the importance of empirical testing when the results he obtained were different from those that would have been predicted by Aristotle

Ronald Ross
Discovery : Malarial Parasite

Rudolf Diesel
Discovery : Diesel Engine

Rudolf Virchow
Discovery : Cell Doctrine

Samuel Colt
Discovery : Revolver

Samuel Hahnemann
Discovery : Homoeopathy

Samuel Morse
Discoveries : Telegraph, Telegraphic Code

Samuel Plimsoll
Discovery : Line Of Demarcation (Ship)

Satyendra Nath Bose
Discovery : Boson

Sigmund Freud
Discovery : Psychology Of The Unconscious, Psycho-Analysis

Srinivasa Ramanujan
Discovery : In Number Theory

Stephen Hawking
Discovery : Quantum Cosmology

Subrahmanyan Chandrasekhar
Discovery : Mathematical Astro Physics,
Chandrasekhar limit, Chandra X-Ray Observatory


Theodosius Dobzhansky
Discovery : Modern Synthesis

Thomas Alva Edison
Discoveries : Cinematograph, Cinematography, Electric Lamp, Gramophone, Movie Projector

Thomas Hunt Morgan
Discovery : Theory Of Heredity Chromosomal

Thomas Newcomen
Discovery : Steam Engine (Piston)

Tim Berners Lee
Discovery : World Wide Web And Hypertext Markup Language

Trofim Lysenko
Discovery : Soviet Genetics

Tycho Brahe
Discovery : New Astronomy

Upendranath Brahmachari
Discovery : Kala-Azar Fever

Wallace H Carothers
Discovery : Nylon

Walter Houser Brattain
Discovery : Transistor

Walter Hunt
Discovery : Safety Pin

Werner Heisenberg
Discovery : Quantum Theory

Wernher Von Braun
Discovery : Space Flying

Whitcomb L. Judson
Discovery : Zip Fastener

Wilbur Wright
Discovery : Aeroplane

Wilhelm Rontgen
Discovery : X-Ray

Wilhelm Wundt
Discovery : Founding Of Psychology

Willard Libby
Discovery : Radioactive Dating

William Bayliss
Discovery : Modern Physiology

William Burroughs
Discovery : Cash Register

William Friese - Greene
Discovery : Cine Camera

William Ramsay
Discovery : Neon Gas

William Harvey
Discovery : Circulation Of The Blood

William Henry Fox Talbot
Discovery : Photography (Paper)

William Henry Perkin
Discovery : Dye

William Herschel
Discovery : Heavens

William Murdoch
Discovery : Gas Lighting

William Oughtred
Discovery : Symbol

William Shockley
Discovery : Transistor

William Stokes
Discovery : Stethoscope

William Sturgeon
Discovery : Electromagnet

John Wesley Hyatt
Discovery : Celluloid

Christopher Columbus
Discovery : West Indies
Birthdate not confirmed but is supposed to be between 25 August and 31 October 1451
The voyages of Columbus are considered a turning point in human history, marking the beginning of globalization and accompanying demographic, commercial, economic, social, and political changes

Euclid (No date available)
Discoveries : Foundations Of Mathematics, Geometry

Edward Butler (1862–1940) Birthdate not available
Discovery : Three-wheeled petrol automobile called the Butler Petrol Cycle, which many think was the first British car.