When1: 1907
When2: 1933
Who: George David Birkhoff [Birkhoff, George David]
What: mathematician
Where: USA
works\ Asymptotic Properties of Certain Ordinary Differential Equations with Applications to Boundary Value and Expansion Problems [1907]; Relativity and Modern Physics [1923: with R. E. Langer]; Aesthetic Measure [1933]
Detail: He lived 1884 to 1944, invented Birkhoff's theorem [1909], proved Poincaré's Last Geometric Theorem [1913], discovered ergodic theorem [1931 to 1932], studied asymptotic series, and helped develop quantum logic.
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Date Modified: 2022.0224