 George Szekeres - The Happy Ending problem: Encyclopedia II - George Szekeres - The Happy Ending problemThe so-called Happy Ending problem is an example of how mathematics pervaded George's life. During 1933, George and several other students met frequently in Budapest to discuss mathematics. At one of these meetings, Esther Klein proposed the following problem:
Given five points in the plane in general position, prove that four of them form a convex quadrilateral.
After allowing George, Paul Erdős, and the other students to scratch their heads for some time, Esther explained her proof. Subsequently George an ...
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