English mathematician and physicist; remembered for developing the calculus and for his law of gravitation and his three laws of motion (1642-1727)
"I do not know what I may appear to the world but to myself I seem to have been only like a boy playing on the seashore, and diverting myself in now and thenfinding a smootherpebble or a prettier shell than ordinary, whilst the greatocean of truth lay all undiscovered before me."