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E=mc2
Einstein Letter Conveying Famous Equation Sells for $1.2 Million
May 24, 2021
Boston — A rare letter in which Albert Einstein writes out his famous equation, "E = mc2," the only known example in private hands, sold for $1,243,707, according to Boston-based RR Auction.
Book Fair
Boston International Antiquarian Book Fair
(617) 938-8879
November 6-8, 2026
Book Dealer: Antiquarian & Rare
Underground Books
Book Dealer: Children's Books
Wonderland Books
1824 Wilton Road
Cleveland Hts., OH 44118
(216) 538-7460
We specialize in old, rare and out-of-print children's books and issue several
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Conservation & Restoration
David Weinstein Bookbinder
5402 Cahuenga Blvd
North Hollywood, CA 91601
(818) 929-7947
Leather book binding,limited editions, book restoration and book boxes. Plain or
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By Nicholas Basbanes