Way too broad of a question.. I mean, does it have to be a person that is still alive? , or are we talking if I could meet any person in existence type thing? Regardless I have much too many responses to that question that I refuse to type for now. So I'll only put a few answers.IN NO PARTICULAR ORDERPresent - Musicians - Maynard James Keenan, Matt kwd, Billy Howerdel, Deron Malakian, Serj Tankianan, BucketheadCelebrities - Jerry Orbach, Jello Biafra, Martin Scorsese, Quentin Tarantino, Robert De Niro, Al PacinoPast - Musicians - Jimi Hendrix, Johnny Cash, John Lennon, John Bonham, Syd BarrettCelebrities - Bruce & Brandon Lee, James Dean, River Phoenix.-- there is alot more enough for now though.