Step 1: Understanding Naturalism in education.
Naturalism is an educational philosophy which emphasizes learning according to the natural development of the child. It believes that education should follow nature and focus on the child's interests, instincts and experiences rather than rigid discipline.
Step 2: Contribution of Jean Jacques Rousseau.
Jean Jacques Rousseau is considered the father of Naturalism in education. In his famous book {Emile}, he explained that education should be child-centered and should allow the child to develop naturally without unnecessary restrictions from society.
Step 3: Analysis of options.
- (A) Rousseau: Correct. He strongly advocated natural development and child-centered education.
- (B) Plato: Incorrect. Plato supported idealism and emphasized philosophical and moral education.
- (C) John Dewey: Incorrect. Dewey is associated with pragmatism and experiential learning.
- (D) Aristotle: Incorrect. Aristotle focused on realism and systematic knowledge.
Step 4: Conclusion.
Thus, Jean Jacques Rousseau is known as the father of Naturalism in education.
Final Answer:} Rousseau.