A manuscript in which Albert Einstein prepared his theory of general relativity has sold at auction in Paris for a record €11.6 million.
Previous records for an Einstein manuscript were $2.8 million (€2.4 million) in 2018 in New York for a letter about God, and $1.56 million (€1.39 million) in 2017 in Jerusalem for a letter about the secret of happiness.
The document sold on Tuesday, which had an estimate at between two and three million euros, was sold for €11.6 million with fees (€10.2 million without fees).
Unlike the two previous record-breakers, it is a scientific working document, which makes it rare.
It is a 54-page autograph manuscript written in 1913 and 1914 in Zurich, Switzerland, by the German-born physicist and his collaborator and
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