A. S. W. Rosenbach

Abraham Simon Wolf Rosenbach was an American collector, scholar, and dealer in rare books and manuscripts. In London, where he frequently attended the auctions at Sotheby's, he was known as "The Terror of the Auction Room." In Paris, he was called "Le Napoléon des Livres". Many others referred to him as "Dr. R.", a "Robber Baron" and "the Greatest Bookdealer in the World".