This is his autograph which I still have":
Robert Preston is best known for his 1957 role as Professor Harold Hill in 'The Music Man', for which he won a Tony Award on Broadway. He then played the same part in the Hollywood version. In 1982, he was nominated for an Oscar for his role as a gay entertainer in 'Victor/Victoria'.
Robert Preston passed away in 1987 from lung cancer. He was 69 years old.