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