Following his dissertation on "The Doctrine of Judgement in Psychologism," he published his first major work,  The Theory of Category and Meaning in Duns Scotus.  The importance he attached to poetry was chiefly concerned with countryman Friedrich Holderlin, about whom he wr
Following his dissertation on "The Doctrine of Judgement in Psychologism," he published his first major work,  The Theory of Category and Meaning in Duns Scotus.  The importance he attached to poetry was chiefly concerned with countryman Friedrich Holderlin, about whom he wrote a prominent book.  The decadence of mankind was the primary subject of later works, which included On the Way to Language and An Introduction to Metaphysics.  Two years before writing his magnum opus, he began a brief love affair with one of his students, Hannah Arendt.  FTP, name this pupil of Edmund Husserl, who was obsessed with Angst and wrote Being and Time.
Following his dissertation on "The Doctrine of Judgement in Psychologism," he published his first major work,  The Theory of Category and Meaning in Duns Scotus.  
Martin Heidegger.