László Bíró

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Ladislao "László" Josef Bíró (Hungarian: Bíró László József) (Budapest - September 29, 1899Buenos Aires - November 24, 1985) is considered the inventor of the modern ballpoint pen.

Bíró (pronounced: [ˈbiːroː]) was born in Budapest, Hungary in 1899. In 1938, while working as a journalist, he noticed that the ink used in newspaper printing dried quickly, leaving the paper dry and smudge-free. He tried using the same ink in a fountain pen but found that it would not flow into the nib, as it was too viscous. Working with his brother Georg, a chemist, he developed a new tip consisting of a ball that was free to turn in a socket, and as it turned it would pick up ink from a cartridge and then roll to deposit it on the paper. Bíró patented the invention in Paris in 1938, after fleeing anti-Jewish laws in Hungary. The word "bíró" means "judge" in Hungarian.

In 1943 the brothers moved to Argentina and on June 10 filed another patent, and formed Biro Pens of Argentina (in fact, in Argentina the ball pen is known as birome). This new design was licensed by the British, who produced ballpoint pens for Royal Air Force aircrew, who found they worked much better than fountain pens at high altitude.

Ballpoint pens are still widely referred to as a biro in many countries, notably several European countries, including the UK, Australia and New Zealand. Argentina's Inventor's Day is celebrated on Bíró's birthday, September 29.

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de:László József Bíró et:László József Bíró es:Ladislao Biró fr:Laszlo Biro it:László József Bíró lv:Lāslo Bīro hu:Bíró László József nl:László Bíró pl:László Bíró sk:László Bíró sv:Laszlo Biró

László Bíró

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