 Complete the following phrase:  In the first half of the nineteenth century there appeared in Poland a host of metaphysicians uimous as to these basic precepts, if strikingly at variance as to details. Their only center was Paris, which hosted Józef Maria Hoene-Wroński 17781853. Otherwise they lived in isolation: Bronisław Trentowski 180869 in Germany; Józef Gołuchowski 17971858 in Congress Poland; August Cieszkowski 181494 and Karol Libelt 180775 in Wielkopolska western Poland; Józef Kremer 180675 in Kraków. Most of them became active only after the 