deaths
Tullio Levi-Civita, Italian mathematician and scholar (born 1873)

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Tullio Levi-Civita
Italian mathematician (1873–1941)
Tullio Levi-Civita, was an Italian mathematician, most famous for his work on absolute differential calculus and its applications to the theory of relativity, but who also made significant contributions in other areas. He was a pupil of Gregorio Ricci-Curbastro, the inventor of…Source: Wikipedia (CC BY-SA)
December 29
Day of the year
December 29 is the 363rd day of the year in the Gregorian calendar; two days remain until the end of the year.Source: Wikipedia (CC BY-SA)