The Enlightenment thinker who believed that people should have a say in the development of laws is Jean Jacques Rousseau. To arrive at this answer, you can familiarize yourself with the ideas of the different Enlightenment thinkers and their views on government and the role of the people. By examining their works, you can identify which philosopher advocated for the involvement of the people in the creation of laws. In this case, Jean Jacques Rousseau's concept of the social contract argues that the authority of the government should come from the consent of the governed, giving people the power to contribute to the development of laws.
