Letter written by Einstein featuring his famous equation goes up for auction
A letter written by Albert Einstein that includes the world’s most famous equation is being auctioned with an estimated worth of $400,000. The letter, written by Einstein to the Polish-American physicist Ludwik Silberstein, was penned in 1946 and contains the only handwritten example of “E=mc2” in private possession, according to a news release from RR
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