Albert Einstein’s love letters and a slew of other pricey artwork are at the center of a nasty legal battle between Christie’s Auction House and a banking billionaire who owns Encyclopedia Britannica.

When an extraordinary cache of love letters written by Albert Einstein to ... not have the right to sell the Einstein letters, and further blames the auction house for sloppily offloading them ...

Einstein love letters pit billionaire against top auction house in high-stakes feud - Exclusive: The wealthy banking heir and Encyclopedia Britannica owner blames the auction house for sloppily ...