Not definitive, but hard to beat: Isaac Asimov - filled my teen years with fun, promoted friendliness, humanism and wonder Captain Beefheart - incarnated inef

Not definitive, but hard to beat: Isaac Asimov - filled my teen years with fun, promoted friendliness, humanism and wonder Captain Beefheart - incarnated ineffability, inestimable artistic genius and influence Leonardo - the archetype of the universal man George Orwell - bravery, promotion of liberty, damn fine writer Lao Tzu/Buddha - kinda hard to put into words ;) showed me a different way to see things