Hermann Cohen (1842-1918) was a prominent German philosopher and a key figure in the Marburg School of Neo-Kantianism. He is best known for his work in ethics and the philosophy of religion, where he emphasized the importance of moral values and the role of human experience in understanding reality. Cohen's major contributions include his writings on Judaism and the relationship between philosophy and religion. He argued that ethical principles are rooted in human consciousness and that true knowledge arises from the interplay between thought and experience. His ideas have influenced various fields, including philosophy, theology, and social theory.