According to Dave Godin: "..It was at Dartford Grammar School that I met Mick Jagger and introduced him to black music, I'm ashamed to say. It's ironic that as a result of meeting me he's where he is today." (see Wikipedia) Godin date of birth: 21/ 6/ 36 Jagger date of birth: 26 /7/43 Secondary shool age in those days 11 -15 years old. So Godin would have been at grammar school: 1947 -51 .. Jagger at  grammar school:1954 - 58... Can any anyone explain how Godin