Leonard PolonskyLeonard Polonsky CBE was a British-American financial services entrepreneur and philanthropist.CareerIn 2018, Polonsky and The Polonsky Foundation donated 12 million USD for the creation of a "Treasures" exhibition at the 42nd Street Building of the New York Public Library. The exhibition will feature rotating items from the Library’s collections including a Gutenberg Bible, the original Bill of Rights, and George Washington’s farewell address.