Thomas Hobbes

Thomas Hobbes of Malmesbury (5 April 1588 – 4 December 1679), in some older texts Thomas Hobbs of Malmsbury,[1] was an English philosopher, best known today for his work on political philosophy. His 1651 book Leviathan established the foundation for most of Western political philosophy from the perspective of Social Contract theory. http://en.wikipedia.org/wiki/Thomas_Hobbes

http://en.wikipedia.org/wiki/Leviathan_(book)