Who was a figure in the enlightenment and what did they do?

john Locke (social contract opposed to monarchy and supported equality/natural rights), Thomas Hobbes (social contract in favor of monarchy to prevent anarchy), Voltaire (stirred pot w/ satire, spread Newton's ideas), Montesquieu (Suggested 3 branch separation of powers), Spinoza (biblical criticism/embrace science), Rousseau (social contract that put society over individual), Adam Smith (economist that opposed mercantilism, founder of laissez-faire economics). Absolute Enlightenment: Catherine II (The Great) of Russia (Tried to enact major reforms to aid all classes, but still protected nobles, enacted censorship), Joseph II of Austria (put smack down on Church/clergy, allowed more religious freedom, abolished serfdom).