hidden Frenz, Rudolf Rudolfovich (1888 - 1956), an artist FRENZ, Rudolf Rudolfovich (1888–1956), an artist. He was born in Mariyengof near Gatchina Town into a family of animal painter R.F. Frenz. In the period 1910-18 he studied (off and on) at the St.Petersburg Imperial Academy of Art in N.S.... more