Sunday, February 2

Math

Bernard Morin developed glaucoma at an early age and was blind by the time he was six years old. Despite his inability to see, Morin went on to become a master topologist—a mathematician who studies the intrinsic properties of geometric forms in space—and earned renown for his visualization of an inside-out sphere. For sighted people, […]

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At the Hotel Parco dei Principi in Rome, in September of 1973, the Hungarian mathematician Paul Erdős approached his friend Richard Guy with a request. He said, “Guy, veel you have a coffee?” It cost a dollar, a small fortune to a professor of mathematics at the hinterland University of Calgary who was not much […]

The early 19th century golfer Harry Vardon was the Tiger Woods of his day, and not just because he had marital difficulties. He even had a biography written about him, which recounted, among other things, how he handled losing his first child and living with tuberculosis. But Vardon’s life would be more useful to sports […]

Grigori Perelman became famous, despite his adamant opposition, for proving a conjecture from Henri Poincaré, pictured here. In November 2002, a Russian mathematician named Grigori Perelman posted the first of three short preprints to the arXiv (an online repository for drafts of academic papers in math and science), offering a proof for the famous Poincare […]

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