First place: Leonardo da Vinci (Italy)
The most famous invention: calculator
Second place: Nico Tesla (USA)
The most famous invention: radio
Third place: Alessandro Volta (Italy)
The most Famous Invention: The Battery
Fourth Place: Alexander Bell (UK)
The Most Famous Invention: The Telephone
Fifth Place: Isaac Newton (UK)
The most famous invention: calculus
Sixth place: Howard Hughes (USA)
The most famous invention: improved airplanes Design
Seventh place: Benjamin Franklin (USA)
The most famous invention: bifocal glasses
Eighth place: James Watt (UK)
The most famous invention: improved steam engine
Ninth place: Johannes Gutenberg (Germany)
The most famous invention: modern printing Technology
Tenth place: Thomas Edison (USA)
The most famous invention: light bulb