A famous author, who penned biographies for Bobby Kennedy and Edie Sedgwick, leaped to her death from a Manhattan high rise on Sunday. Jean Stein, 83, plunged from the 15th story of 10 Gracie Square on the Upper East Side, in New York at 10.35am. She landed on the an eighth-floor balcony below and paramedics say she died at the scene, New York Daily News.