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Personalities And Inventions
Play this  Quiz Game  On your phone 41 - Ernst Ruska, 42 - Alexander Fleming, 43 - Atanasoff–Berry computer, 44 - John Barber, 45 - Gardiner Greene   Hubbard, 46 - Ernest Rutherford, 47 - Steven Sasson, 48 - Ken Thompson, 49 - Elisha Otis, 50 - Gary Starkweather.

41. Who invented electron microscope?

           Hans Busch

           Reinhold Rudenberg

           Leó Szilárd

           Ernst Ruska


42. Who discovered penicillin?

           Dorothy Hodgkin

           Ernst Boris Chain

           Alexander Fleming

           Howard Florey


43. What was the first automatic electronic digital computer?

           Colossus

           IBM PC

           Macintosh

           Atanasoff–Berry computer


44. Who invented gas turbine?

           Nikola Tesla

           John Barber

           Leonardo da Vinci

           Charles Parsons


45. Who founded Bell Telephone Company?

           Gardiner Greene Hubbard

           Alexander Graham Bell

           Thomas Sanders

           Thomas Watson


46. Who is regarded as the father of nuclear physics?

           Albert Einstein

           Ernest Rutherford

           J. J. Thomson

           Henri Becquerel


47. Who is the inventor of the digital camera?

           Steven Sasson

           Eugene F. Lally

           George Eastman

           Johann Zahn


48. Who created (along with Dennis Ritchie) the Unix?

           Richard Brodie

           Ken Thompson

           Brian Behlendorf

           Brendan Eich


49. Who built the first safest elevator?

           William Armstrong

           Elisha Otis

           Henry Waterman

           Gaetano Genovese


50. Who is the inventor of laser printer?

           Gary Starkweather

           Chester Carlson

           Édouard Belin

           Giovanni Caselli