List of Inventions and Inventors
Q.1 Who invented Air Conditioning?
Ans. Willis Carrier in 1902.
Q.2 Who invented Atomic Bomb?
Ans. J. Robert Oppenheimer with his team in 1945.
Q.3. Who is the inventor of Ball-Point Pen?
Ans. Ladislo Biro in 1938.
Q.4 Who invented the internet?
Ans. Robert E. Kahn and Vint Cerf.
Q.5 Who invented the mobile phone?
Ans. Martin Cooper.
Q.6 Who invented Electric Chair?
Ans. Thomas Edison in 1888.
Q.7 When was Macintosh Computer invented?
Ans. in 1984 by Apple Inc.
Q.8 When was MS-DOS invented?
Ans. in 1981 by Microsoft Corporation.
Q.9 Who invented ceiling fans?
Ans. Philip Diehl in 1882.
Q.10 Who invented Electric motor?
Ans. William Sturgeon, Emily Davenport, Thomas Davenport, Michael Faraday.
Q.11 Who is an inventor of Insulin?
Ans. Frederick Banting & Charles Best in 1921.
Q.12 Who is the inventor of Television?
Ans. John Logie Baird in 1926 (demonstration of moving object televised).
Q.13 Who is the inventor of medical Thermometer?
Ans. Thomas Albert in 1867.
Q.14 Who is considered as the inventor of Video games?
Ans. Ralph Baer in 1967.
Q.15 The name of the inventor of Telephone—
Ans. Alexander Graham Bell in 1876.
Q.16 Who created Automobile, internal combustion (gasoline-powered)?
Ans. Karl Benz in 1885 (1st patent issued for the gas-fueled car).
Q.17 When was the first Fire-engine created?
Ans. in 1518 by Anthony Blattner.
Q.18 When was Helicopter (first manned vertical lift-off) invented?
Ans. in 1907 by Louis and Jacques Brigued.
Q.19 Who invented the Typewriter?
Ans. William A Burt in 1829 (first US patent).
Q.20 Who is credited for the invention of a Chocolate bar?
Ans. Francois-Louis Cailler in 1819.
Q.21 Who invented the Postage stamp (adhesive)?
Ans. James Chalmers in 1834.
Q.22 What is the name of the inventor of Postcard?
Ans. John P Charlton in 1861.
Q.23 Who created the first Lego?
Ans. Gottfried Kirk Christiansen in 1955 (registered trademark).
Q.24 The Telegraph is invented by –
Ans. W. F. Cooke & Charles Wheatstone {1837 (patent)1838 (public demonstration)}
Q.25 Who invented the DNA (structure)?
Ans.Francis Crick, James Watson, Rosalind Franklin in 1953.
