A rare 54-page manuscript featuring preliminary calculations for Albert Einstein’s general theory of relativity is approximately . sold for $13 million At auction in Paris on Tuesday to an unidentified buyer – nearly four times more than expected.
It was originally estimated to fetch $3.5 million.
Auction house Christie’s declined to identify the winning bidder. NBC News,
The papers include handwritten notes by Einstein and his longtime friend and collaborator Michel Besso between 1913 and 1914, a year before they publicly shared their theory.
The notations are mostly written in ink, some in pencil by Basso, and apart from some tears and other defects the pages are in “fine condition for a working scientific manuscript”, according to Christie’s,
Einstein usually didn’t preserve his early draft, and it was basso Which saved 54 pages.
Scientific autographs of Einstein dating back to 1919 are rare, and the papers are one of only two surviving manuscripts documenting the early stages of his general relativity theory, Christie said.