Kantianism
Kantianism is the philosophy of Immanuel Kant, a German philosopher born in Königsberg, Prussia (now Kaliningrad, Russia). The term "Kantianism" or "Kantian" is sometimes also used to describe contemporary positions in philosophy of mind, epistemology, and ethics.
History of philosophy in Poland
Jan Śniadecki's younger brother, however, Jędrzej Śniadecki, was the first respected Polish scholar to declare (1799) for Kant. And in applying Kantian ideas to the natural sciences, he did something new that would not be undertaken until much later by Johannes Müller, Hermann Ludwig Ferdinand von Helmholtz and other famous scientists of the nineteenth century.