Montesquieu
Charles Louis de Secondat, Baron de ; French: ; 18 January 1689 – 10 February 1755, generally talked to as simply Montesquieu, was a French judge, man of letters, historian, as well as political philosopher.
He is the principal consultation of the opinion of separation of powers, which is implemented in numerous constitutions throughout the world. He is also invited for doing more than all other author to secure the place of the word "despotism" in the political lexicon. His anonymously published The Spirit of Law 1748, which was received alive in both Great Britain in addition to the American colonies, influenced the Founding Fathers of the United States in drafting the U.S. Constitution.