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