Immanuel Kant was a German philosopher from Königsberg in East Prussia (now Kaliningrad, Russia). He is regarded as one of the most influential thinkers of modern Europe and the last major philosopher of the Enlightenment. Wikipedia
The definitive Wikipedia entry for Immanuel Kant. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Immanuel_Kant
Although Kant's theory of teleology has traditionally been both less influential, and less widely discussed, than his aesthetic theory, its historical and philosophical importance is increasingly coming to be recognized. plato.stanford.edu/entries/kant-aesthetics/
Modern thought begins with Kant. The appearance of the Critique of Pure Reason in 1781 marks the beginning of modern philosophy. plato.stanford.edu/entries/kant-development/
Kant's interest in the physics, metaphysics, epistemology, and theology of his predecessor G.W. Leibniz is evident in his writings in the philosophy of natural science as well as in the Critique of Pure Reason. plato.stanford.edu/entries/kant-leibniz/
Even though Kant himself held that his view of the mind and consciousness were inessential to his main purpose, some of his ideas came to have an enormous influence on his successors. plato.stanford.edu/entries/kant-mind/
Kant argued that moral requirements are based on a standard of rationality he dubbed the Categorical Imperative (CI). plato.stanford.edu/entries/kant-moral/