Sir+Issac+Newton+A+LIGHT

Issac Newton was a great mathematician that through experiments believed everything was in motion. Famous experiments like the one involving an apple proved gravity. (not discovered, contrary to popular belief before newton gravity did exist)

(http://upload.wikimedia.org/wikipedia/commons/thumb/3/39/GodfreyKneller-IsaacNewton-1689.jpg/250px-GodfreyKneller-IsaacNewton-1689.jpg)