1) René Favaloro a) coronary artery bypass surgery b) penicilin c) blood transfusion 2) Ladislao Biro a) parachute b) typewriter c) windshield wiper blade d) ballpoint pen 3) Alexander Fleming a) Penicilin b) blood transfusion c) typewriter d) hot air balloon 4) Wright Brothers a) parachute b) aeroplane c) car d) tyre 5) Leonardo Da Vinci a) parachute b) old telephone c) compass d) aeroplane 6) Mary Anderson a) compass b) blood transfusion c) syringe d) windshield wiper blade  7) Louis Braille a) Braille system b) stick for blind people c) bell d) morse code machine 8) Nikola Tesla a) morse code machine b) the light bulb c) alternative current (AC) motor d) aeroplane

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