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Significant Inventions and Discoveries

Invention / Discovery Credited to Country Year
Air Brake George Westinghouse United States 1868
Air Conditioning Willis Carrier United States 1911
Aircraft Autopilot Elmer A. Sperry United States 1910
Aqualung Jacques-Yves Cousteau and Emile Gagnan France 1943
Aspirin Dr. Felix Hoffman Germany 1899
Bacteria Anton van Leeuwenhoek The Netherlands 1683
Barbed Wire Joseph E. Glidden United States 1873
Barometer Evangelista Torricelli Italy 1643
Circulation of Blood William Harvey England 1628
Fountain Pen Lewis E. Waterman United States 1884
Frozen Food Clarence Birdseye United States 1924
Gyrocompass Elmer Sperry United States 1905
Gyroscope Jean Leon Foucault France 1852
Halley's Comet Edmund Halley England 1705
Liquid Fueled Rocket Robert Goddard United States 1926
Measles Vaccine John Enders and Thomas Peebles United States 1953
Microphone Charles Wheatstone England 1827
Microwave Oven Percy Spencer United States 1947
Military Tank Sir Ernest Swinton England 1914
Motion Pictures Thomas A. Edison United States 1893
Proton Ernest Rutherford England 1919
Prozac Bryan B. Malloy of Scotland and Klaus K. Schmiegel United States 1972
Psychoanalysis Sigmund Freud Austria 1904
Pulsars Antony Hewish and Jocelyn Bell Burnel England 1967
Seismograph John Milne England 1880
Sewing Machine Elias Howe United States 1846
Spruce Based Chewing Gum John Curtis United States 1848
Stethoscope Rene Laennec France 1819
Surgery Antiseptic Joseph Lister England 1867
Teflon DuPont United States 1943
The Bicycle Karl D. von Sauerbronn Germany 1816
The Big Bang Theory George LeMaitre Belgium 1927
Xerography Chester Carlson United States 1938
Zipper W.L. Judson United States 1891