Alessandro Volta (Electric battery)
Como
Alexander Graham Bell (First practical telephone)
Edinburgh
Samuel Morse (Telegraphy and Morse code)
Charlestown, MA
Ibn al-Haytham (Mathematics and astronomy)
Basra
Karl Benz (First practical modern automobile)
Mühlburg
Igor Sikorsky (Helicopters and fixed-wing aircraft)
Kyiv
Rudolf Diesel (Diesel engine)
Paris
László Bíró (Ballpoint pen)
Budapest
Nikola Tesla (Alternating current supply)
Smiljan
Linus Torvalds (Linux operating system)
Helsinki
Robert Boyle (Chemistry and scientific method)
Lismore
Hidetsugu Yagi ('Yagi' radio antennae)
Osaka
Sergey Ilyushin (Aircraft design)
Dilyalevo
Anders Celsius (Astronomy, Centigrade scale)
Uppsala
Marie Curie (Discovery of Polonium and Radium)
Warsaw
Niels Bohr (Atomic structure and quantum theory)
Copenhagen
Antoni van Leeuwenhoek (Microscopy)
Delft
Alois Senefelder (Lithographic printing)
Prague
Juan de la Cierva (Autogyro, rotor-wing dynamics)
Murcia
David Warren (Aircraft 'black box' recorders)
Groote Eylandt
Australia
Croatia
Czech Republic
Denmark
Finland
France
Germany
Hungary
Iraq
Ireland
Italy
Japan
Netherlands
Poland
Russia
Spain
Sweden
UK
Ukraine
USA
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