Dear student,
JOHN LOCKE ----- John Locke published his book 'Two Treatises of Government' in which he refute the absolute right of the monarch.
ROUSSEAU-------- Rousseau carried the idea forward about the contract between the people and the government.
MONTESQUIEU-------- Montesquieu wrote in his 'TWO TREATIES OF GOVERNMENT' about the divisions of power between executive, legislative, and judiciary.
MIRABEAU---------- He delivered many speeches to the people of the third state and inspired them for the french revolution.
ABBE SIEYES---------- Abbe Sieyes was also belonging to the clergy but wrote a pamphlet named 'WHAT IS THE THIRD ESTATE?' and also motivated people about the cruelness of Louis XVI.
Regards