 As a university student, Nowicki co-edited (with Kazimierz Tetmajer, Andrzej Niemojewski, Artur Górski and others) a socialist-leaning journal, "Ognisko" (Focus).Some years later, he co-founded the Polish Socialist-Democratic Party ("Polska Partia Socjalistyczno-Demokratyczna").From 1894 he taught at a secondary school ("gimnazjum").