ontology / Heidegger

ontology = 
Theory of being as such. It was originally called “first philosophy” by Aristotle. In the 18th century Christian Wolff contrasted ontology, or general metaphysics, with special metaphysical theories of souls, bodies, or God, claiming that ontology could be a deductive discipline revealing the essences of things. This view was later strongly criticized by David Hume and Immanuel Kant. Ontology was revived in the early 20th century by practitioners of phenomenology and existentialism, notably Edmund Husserl and his student Martin Heidegger. In the English-speaking world, interest in ontology was renewed in the mid-20th century by W.V.O. Quine; by the end of the century it had become a central discipline of analytic philosophy. See also idealism; realism; universal.

Heidegger =
In 1927 he published his magnum opus, Being and Time. It strongly influenced Jean-Paul Sartre and other existentialists, and, despite Heidegger’s protestations, he was classed as the leading atheistic existentialist.
His declared purpose in the work was to raise anew the question of the meaning of being. His preliminary analysis of human existence (Dasein, or “being-there”) employed the method of phenomenology.
In the early 1930s his thought underwent a Kehre (“turning around”), which some have seen as an abandonment of the problem of Being and Time. Then the whole Nazi thing…
Phenomenology restricts the philosopher’s attention to the pure data of consciousness, uncontaminated by metaphysical theories or scientific assumptions. Husserl’s concept of the life-world—as the individual’s personal world as directly experienced—expressed this same idea of immediacy

incompatible with metaphysics!?
I'm starting to like the notion of the 'being'