It isn't 'guitar person', it's guitarist! ^_________________^
Yes, of course Jimmy Hendrix is good, but in my opinion, John Petrucci is better. Jimmy Hendrix can play in odd ways rather than ordinary guitarists, but John can play very, very fast. So fast that it sounds like you're pressing twenty keys on the piano at a time. I think the fastest he's gone was in sixteenth-note on a tempo of 244. THAT is fast.
Jimmy Page's specialty is being able to play some riffs so it sounds like two guitarists. Like, he can play two parts of a song at a time.
It's kind of odd, but have you noticed that John Petrucci and Jimmy Page have the same initials?