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