Felix Klein
Scientist
Christian Felix Klein (25 April 1849 – 22 June 1925) was a German mathematician, known for his work in group theory, complex analysis, non-Euclidean geometry, and on the connections between geometry and group theory. His 1872 Erlangen Program, classifying geometries by their underlying symmetry groups, was a hugely influential synthesis of much of the mathematics of the day.
Personal facts
| Birth date | April 25, 1849 |
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| Birth place | Germany , Düsseldorf , Kingdom of Prussia , German Confederation , Rhine Province |
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| Date of death | June 22, 1925 |
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| Place of death | Germany , Göttingen , Weimar Republic , Province of Hanover , Free State of Prussia |
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