Inventions and Inventors (20th century onwards)

1898 Sensitized photographic paper

Leo Hendrik Baekeland


1900 Rigid dirigible airship

Graf Ferdinand von Zeppelin


1903 Airplane

Wilbur Wright and Orville Wright


1903 Electrocardiograph

Willem Einthoven


1905 Diode rectifier tube

Sir John Ambrose Fleming


1906 Gyrocompass

Hermann Anschütz-Kämpfe


1907 Triode amplifier tube

Lee De Forest


1910 Gyroscopic compass

Elmer Ambrose Sperry


1911 Vitamins

Casimir Funk


1911 Cellophane

Jacques Edwin Brandenberger


1911 Neon lamp

Georges Claude


1913 Ramjet engine

René Lorin


1913 Heterodyne radio receiver

Reginald Aubrey Fessenden


1915 Automobile self-starter

Charles Franklin Kettering


1916 Browning gun

John Moses Browning


1916 Gas-filled incandescent lamp

Irving Langmuir


1916 X-ray tube

William David Coolidge


1922 Insulin

Sir Frederick Grant Banting


1925 Quick-frozen food

Clarence Birdseye


1926 Liquid-fuel rocket

Robert Hutchings Goddard


1928 Penicillin

Sir Alexander Fleming


1930 Nylon

Wallace Hume Carothers


1930 Modern gas-turbine engine

Sir Frank Whittle


1931 Cyclotron

Ernest Orlando Lawrence


1932 Van de Graaff generator

Robert Jemison Van de Graaff


1935 Radar

Sir Robert Watson-Watt


1935 Electron microscope

German scientists


1936 Twin-rotor helicopter

Heinrich Focke


1937 Nylon

Wallace Hume Carothers


1939 DDT

Paul Müller


1939 Helicopter

Igor Sikorsky


1941 Turbojet aircraft engine

Sir Frank Whittle


1942 Guided missile

Wernher von Braun


1942 Nuclear reactor

Enrico Fermi


1945 Atomic bomb

U.S. government scientists


1946 Electronic digital computer

John Presper Eckert, Jr., and John W. Mauchly


1947 Holography

Dennis Gabon


1947 Microwave oven

Percy L. Spencer


1948 Transistor

John Bardeen, Walter Houser Brattain and William Shockley


1949 Ramjet airplane

René Leduc


1950 Color television

Peter Carl Goldmark


1952 Hydrogen bomb

U.S. government scientists


1952 Bubble chamber

Donald Arthur Glaser


1954 Solar battery

Bell Telephone Laboratory scientists


1955 Carbon dating

W.F. Libby


1956 Hovercraft

Christopher Cockerell


1956 First prototype rotary engine

Felix Wankel


1956 Videotape

Charles Ginsberg Ray Dolby


1959 Integrated circuit

Jack Kilby Robert Noyce


1960 Laser

Charles Hard Townes, Arthur L. Schawlow and Gordon Gould


1962 Light-emitting diode

Nick Holonyak, Jr.


1964 Liquid-crystal display

George Heilmeier


1971 Microprocessor

Ted Hoff


1972 Electronic pocket calculator

J.S. Kilby and J.D. Merryman


1975 Fibreoptics

Bell Laboratories


1976 Supercomputer

J.H. Van Tassel and Seymour Cray


1980 Compact Disk Digital Audio

Philips and Sony


1992 World Wide Web

Tim Berners-Lee

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