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