9. Letters written by Einstein—made public in 2006—reveal he was a “prodigious lover with a string of mistresses” according to the Daily Mail.
Einstein’s personal papers were donated to Hebrew University. Review of his personal letters show he married, kept his cousin as a mistress and later married her, but also had a string of mistresses who showered him with gifts and money throughout his life. Proof that brains, even with age, are always sexy.
