Friedrich Nietzsche was a German philosopher known for his profound and often controversial ideas about morality, culture, and the human condition. He challenged traditional beliefs and introduced concepts such as the "will to power" and the "Übermensch," which have influenced various fields, including psychology and literature. Nietzsche's works, such as Thus Spoke Zarathustra and Beyond Good and Evil, explore themes of individualism and the rejection of absolute truths. His declaration that "God is dead" reflects his critique of religion and its role in society, encouraging people to create their own values in a world devoid of inherent meaning.