in Collecting Einstein’s notes on theory of relativity sell for €11.6m at auction (www.theguardian.com) by What a Find November 25, 2021, 4:17 pm
in Collecting Albert Einstein letter with E=mc2 equation in his own hand sells for $1.2m (www.theguardian.com) by What a Find May 30, 2021, 8:17 pm
What a Find
