Nicolai Hartmann was one of the most prolific and original yet sober clear and rigorous 20th
century German philosophers. Hartmann was brought up as a Neo-Kantian but soon turned his back
on Kantianism to become one of the most important proponents of ontological realism. He
developed what he calls the new ontology on which relies a systematic opus dealing with all
the main areas of philosophy. His work had major influences both in philosophy and in various
scientific disciplines. The contributions collected in this volume from an international group
of Hartmann scholars and philosophers explore subjects such as Hartmann's philosophical
development from Neo-Kantianism to ontological realism the difference between the way he and
Heidegger overcame Neo-Kantianism his Platonism concerning eternal objects and his
interpretation of Plato his Aristotelianism his theoretical relation to Wolff's ontology and
Meinong's theory of objects his treatment and use of the aporematic method his metaphysics
his ethics and theory of values his philosophy of mind his philosophy of mathematics as well
as the influence he had on 20th century philosophical anthropology and biology.
