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Query: Einstein did his own mathematics

The idea that Einstein's first wife Mileva checked his mathematics for the special theory of relativity is laughable. This issue has been put to rest by Einstein's biographer Abraham Pais in his 1994 book "Einstein Lived Here." Here is why. First the special theory of relativity requires only elementary mathematics, the breakthrough is in the concepts. Second Mileva was unable to pass her final examination in mathematics in 1900 at the Swiss Federal Institute of Technology (Einstein passed). She failed again in 1901 and did not receive a degree. Third Einstein was able to master the advanced mathematics necessary for the general theory of relativity which came after his divorce from Mileva. It takes a very creative reading of the documents to ascribe any role to Mileva whatsoever in the special theory.