German philosopher (26/9 / 1889-26 / 5/1976). One of the most important theorists of 20th century existentialism. Born in Messkirch, southwest of Germany, son of a sexton. It reveals a very young religious vocation and begins the Jesuit novitiate after graduating from high school, but does not complete religious formation.
He prefers to study theology and philosophy at the University of Freiburg, where he is particularly influenced by Husserl. In 1915 becomes Husserl's colleague at the university, but does not follow the thought of the master. Define your own path in the book. Being and Time, from 1927, in which he asks, "What is being, what is being, what does it mean to ask what is the meaning of being?"
The work influences thinkers from Europe and Latin America, among them the French philosopher Jean-Paul Sartre. For Heidegger, man is above all will, free will, and belongs to a universe that only acquires meaning from his reflection.
Among his main works are still Kant and the Metaphysical Problem (1928), About the Essence of Truth (1930), Introduction to Metaphysics (1935), Letter about Humanism (1946) and Paths That Lead Nowhere (1950).