Martin Heidegger
Martin Heidegger was a German philosopher whose investigation of the 'question of Being' (Seinsfrage) made him one of the most important and controversial thinkers of the 20th century. His magnum opus Being and Time revolutionized philosophy by analyzing human existence (Dasein) as fundamentally temporal, thrown into a world of concern and anxiety, and oriented toward death. His later thought explored the 'forgetting of Being' in the history of Western metaphysics, the essence of technology, and the possibility of a more primordial relationship to language, art, and dwelling.
Key Ideas
Key Contributions
- ● Reopened the 'question of Being' (Seinsfrage) as the fundamental question of philosophy, arguing that the Western metaphysical tradition has 'forgotten' Being
- ● Developed the existential analytic of Dasein in Being and Time — analyzing human existence as being-in-the-world, care, thrownness, anxiety, and being-toward-death
- ● Introduced key existential concepts: Dasein (being-there), In-der-Welt-sein (being-in-the-world), Zuhandenheit (readiness-to-hand), Sorge (care), Angst (anxiety), Sein-zum-Tode (being-toward-death)
- ● Developed hermeneutic phenomenology — the analysis of understanding as the fundamental mode of human being
- ● Analyzed modern technology as 'Enframing' (Gestell) — a mode of revealing that reduces all beings to standing-reserve (Bestand)
- ● Explored the relationship between language, poetry, and Being in his later thought — 'language is the house of Being'
Core Questions
Key Claims
- ✓ The question of Being (Seinsfrage) is the fundamental question of philosophy — and Western metaphysics has systematically forgotten it
- ✓ Dasein (human existence) is not a substance but a way of being: being-in-the-world, care, thrownness, projection, and being-toward-death
- ✓ Anxiety (Angst) reveals our fundamental situation: we are thrown into a world not of our choosing, confronting our own finitude
- ✓ Authenticity (Eigentlichkeit) consists in resolutely owning one's own being-toward-death, rather than fleeing into the impersonal 'they' (das Man)
- ✓ Modern technology is not merely a set of tools but a way of revealing that reduces everything to standing-reserve — a resource to be optimized
- ✓ Language is the house of Being — in poetic language, Being speaks
- ✓ The history of metaphysics is the history of the forgetting of Being — from Plato's Ideas to Nietzsche's will to power, Being itself has been covered over
Biography
Life
Martin Heidegger was born on September 26, 1889, in Meßkirch, Baden, Germany. He studied theology and then philosophy at the University of Freiburg under Edmund Husserl. His Being and Time (Sein und Zeit, 1927) established him as the most important philosopher of his generation.
In 1933, Heidegger became rector of the University of Freiburg and joined the Nazi Party — an episode that has cast a permanent shadow over his legacy. The extent of his ideological commitment remains debated; he resigned the rectorship in 1934 but never publicly repudiated his involvement. After the war, he was banned from teaching until 1951.
Heidegger's later thought (the 'turn' or Kehre) shifted from the analytic of Dasein to a more meditative engagement with Being itself, expressed through readings of poetry (Hölderlin, Rilke), reflections on technology, and a distinctive philosophical style that sought to overcome metaphysics. He died on May 26, 1976, in Freiburg.
Legacy
Heidegger's influence on 20th-century philosophy is enormous — on existentialism (Sartre, Merleau-Ponty), hermeneutics (Gadamer), deconstruction (Derrida), environmental philosophy, and theology. His complicity with Nazism remains a subject of intense scholarly and moral debate.
Methods
Notable Quotes
"{'text': 'The question of Being has today been forgotten.', 'source': 'Being and Time, Introduction', 'year': 1927}"
"{'text': 'Language is the house of Being.', 'source': 'Letter on Humanism', 'year': 1947}"
"{'text': 'The most thought-provoking thing in our thought-provoking time is that we are still not thinking.', 'source': 'What Is Called Thinking?', 'year': 1954}"
"{'text': 'Only a god can save us now.', 'source': 'Der Spiegel interview (published posthumously)', 'year': 1976}"
"{'text': 'Everywhere we remain unfree and chained to technology, whether we passionately affirm or deny it.', 'source': 'The Question Concerning Technology', 'year': 1954}"
Major Works
- Being and Time Treatise (1927)
- Letter on Humanism Letter (1947)
- The Origin of the Work of Art Essay (1950)
- The Question Concerning Technology Essay (1954)
- What Is Called Thinking? Lecture (1954)
Influenced
- Jean-Paul Sartre · influence
- Hans-Georg Gadamer · Teacher/Student
- Hannah Arendt · Teacher/Student
- Jacques Derrida · influence
- Emmanuel Levinas · influence
- Michel Foucault · influence
- Paul Ricoeur · Intellectual Influence
- Charles Taylor · Intellectual Influence
- Byung-Chul Han · Intellectual Influence
- Timothy Morton · Intellectual Influence
- Gianni Vattimo · Intellectual Influence
- Hajime Tanabe · Teacher/Student
- Kitaro Nishitani · Teacher/Student
- Octavio Paz · Intellectual Influence
- Rodolfo Kusch · Intellectual Influence
- Vicente Ferreira da Silva · Intellectual Influence
Influenced by
- Søren Kierkegaard · influence
- Friedrich Nietzsche · influence
- Edmund Husserl · Teacher/Student
- Meister Eckhart · Intellectual Influence
- Max Scheler · Intellectual Influence
- Georg Simmel · Intellectual Influence
- Ernst Cassirer · Contemporary/Peer
- D.T. Suzuki · Intellectual Influence
Sources
- Being and Time (trans. John Macquarrie and Edward Robinson)
- Heidegger by Michael Inwood (Oxford: Very Short Introductions)
- The Cambridge Companion to Heidegger (ed. Charles Guignon)
- Heidegger: An Introduction by Richard Polt
External Links
Translations
Discussions
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