The Wright brothers - Aeroplane
Edward Jenner - Small pox vaccine
Louis Pasteur - Pasteurization
Christian Barnard - The world's first human-to-human heart transplant
Galileo Galili - Telescope
Leonardo De Vinci - Barreled cannon (the automatic weapon), Helical aerial screw (the helicopter), Anemometer, Revolving bridge, Winged flying machine (the airplane), Diving equipment, Self-propelled cart (the car), Parachute