Business History Quiz 1 05 Dec 2022 Share Quiz questions Who invented the radio? Ernesto Castafiore Guglielmo Marconi Thomas Edison Who invented the first petrol-powered car? Karl Benz Henry Ford Carlo Maserati Who invented the world the printing press? Johannes Gutenberg Leonardo da Vinci Charles Hull Who invented the electric air conditioner? Johann Siemens Willis Carrier James Watt Who led the Manhattan Project team that developed the atomic bomb? Albert Einstein J. Robert Oppenheimer Otto Frisch Which inventor invented the telegraph? Alexander Graham Bell Benjamin Franklin Samuel Morse Who invented the cotton gin in 1794? Eli Whitney George Washington Carver Thomas Edison Who made the first successful aeroplane? Frederick Valentich Wilbur and Orville Wright Charles Lindbergh Who invented the piano? Luciano Pavarotti Alessandro Cruto Bartolomeo Cristofori Who created the camera in 1839? John Kodak George Eastman Louis Daguerre Submit