deaths
Michael Atiyah, British-Lebanese mathematician (born 1929)
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Michael Atiyah
British-Lebanese mathematician (1929–2019)
Sir Michael Francis Atiyah was a British-Lebanese mathematician specialising in geometry. His contributions include the Atiyah–Singer index theorem and co-founding topological K-theory. He was awarded the Fields Medal in 1966 and the Abel Prize in 2004.Source: Wikipedia (CC BY-SA)
January 11
Day of the year
January 11 is the 11th day of the year in the Gregorian calendar; 354 days remain until the end of the year.Source: Wikipedia (CC BY-SA)