Handwritten Einstein letter with equations sells for $71,811 at auction
A handwritten letter by Albert Einstein, believed to date from around 1929, sold for $71,811 at RR Auction. The one-page German document was addressed to mathematician Chaim Herman Muntz and contains detailed equations on Hamiltonian mechanics, covariance and invariance. It was sold together with its original envelope, which bears a Potsdam postmark. The letter offers a window into the mathematical discussions Einstein was engaged in nearly a century ago.
This is an AI-generated summary. ShortSingh links to the original source for the complete article.

Discussion (0)
Log in to join the discussion and vote.
Log in