English philosopher and political theorist best known for his book Leviathan (1651), in which he argues that the only way to secure civil society is through universal submission to the absolute authority of a sovereign.
Thomas Hobbes
17th century English philosopher who opposed the Divine Right of Kings and who asserted that people have a natural right to life, liberty, and property. Very anti-slavery as well
John Locke
French political philosopher who advocated the separation of executive and legislative and judicial powers (1689-1755)
Montesquieu
