Search Results for: label/mathematics

Janos Bolyai and the Discovery of Non-Euclidian Geometry

Janos Bolyai and the Discovery of Non-Euclidian Geometry

On December 15, 1802, Hungarian mathematician János Bolyai was born. He is most famous for being one of the founders of non-euclidian geometry, a geometry that differs from Euclidean geometry in its definition of parallel lines. Bolyai was born in the Transylvanian town of Kolozsvár (Klausenburg), then part of the Habsburg Empire (now Cluj-Napoca in Romania), the son of Zsuzsanna Benkő and the well-known mathematician Farkas Bolyai. Farkas Bolyai always wanted his…
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Eugenio Beltrami and Non-Euclidian Geometry

Eugenio Beltrami and Non-Euclidian Geometry

Eugenio Beltrami (1835–1900) On November 16, 1835, Italian mathematician Eugenio Beltrami was born. He is most notable for his work concerning differential geometry and mathematical physics. His work was noted especially for clarity of exposition. He was the first to prove consistency of non-Euclidean geometry by modeling it on a surface of constant curvature, the pseudosphere. Eugenio Beltrami was born in Cremona in Lombardy, then a part of the Austrian Empire, and now part of Italy. The son…
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William F. Friedman and the Art of Cryptology

William F. Friedman and the Art of Cryptology

William F. Friedman (1894-1969) On September 1894, US cryptologist William F. Friedman was born. He is considered one of the world’s greatest cryptologists, who helped decipher enemy codes from World War I to World War II. Friedman was born as Wolfe Frederick Friedman, then part of imperial Russia, now Chisinau, capital of Moldova, as the son of Frederick Friedman, a Jew from Bucharest who worked as a translator and linguist for the Russian Postal Service, and the…
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Gottlob Frege and the Begriffsschrift

Gottlob Frege and the Begriffsschrift

Gottlob Frege (1848-1925) On November 8, 1848, German mathematician, logician and philosopher Gottlob Frege was born. He is considered as one of the fathers of modern mathematical logic and has developed the Begriffsschrift, an approach to put classical philosophical logic into a formal mathematical language. While he was mainly ignored by the intellectual world when he published his writings, Giuseppe Peano and Bertrand Russell introduced his work to later generations of logicians…
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