In 1966-67 Martin Heidegger and Eugen Fink conducted an extraordinary seminar on the fragments of Heraclitus. Heraclitus Seminar records those conversations, documenting the imaginative and experimental character of the multiplicity of interpretations offered and providing an invaluable portrait of Heidegger involved in active discussion and explication.

Heidegger's remarks in this seminar illuminate his interpretations not only of pre-Socratic philosophy, but also of figures such as Hegel and Holderllin. At the same time, Heidegger clarifies many late developments in his own...