Career
Wojniakowski was a pupil of Marcello Bacciarelli. His work as a portraitist was influenced by that of the Polish painter Josef Grassi, as in Wojniakowski"s 1796 Portrait of Izabela Czartoryska, née Fleming. Other noteworthy portraits by Wojniakowski include his portrait of Tadeusz Kościuszko.
Wojniakowski also produced religious works and scenes of contemporary historic events (eg, The Constitution of May 3, 1791, 1806).
Notable as well are Wojniakowski"s drawings from journeys, e.g. in Lublin Province. Selected works.