 Active as well were precursors of Positivism such as Józef Supiński (1804–93) and Dominik Szulc (1797–1860)—links between the earlier Enlightenment age of the brothers Śniadecki and the coming age of Positivism.The Positivist philosophy that took form in Poland after the January 1863 Uprising was hardly identical with the philosophy of Auguste Comte.It was in fact a return to the line of Jan Śniadecki and Hugo Kołłątaj—a line that had remained unbroken even during the Messianist period—now enriched with the ideas of Comte.