And the 50s!!
Anyway, here's my 70s ten (again in no order!):
Jackie Stewart
Jochen Rindt (though admit he wasn't around very long)
Niki Lauda
James Hunt
Ronnie Peterson
Mario Andretti
Gilles Villeneuve
Emerson Fittipaldi
Francois Cevert
Jody Schekter
Clay Regazzoni
Jacky Ickx
OK, so I've got 12. But it's my thread so there!!