Friedrich Nietzsche was a German philosopher, cultural critic, poet, and philologist who lived from 1844 to 1900. His work has had a profound influence on modern intellectual history, particularly in the fields of psychology, philosophy, and literature. He is best known for his critique of traditional values and religion, his concept of the "will to power," and his idea of the "death of God." Nietzsche's distinctive writing style and provocative ideas have made him one of the most widely read and controversial philosophers of the modern era.