Volf Roitman (Russian: Волф Ройтман) (30 December 1930 in Montevideo, Uruguay – 25 April 2010) was a painter, sculptor and architect, sometimes referred to as a Renaissance Man, the son of Jewish Russian/Romanian parents. MADI has proved itself to be the longest-running, continuously active art movement in the world. The entity which Arden Quin and Roitman formed in 1951 eventually evolved into MADI International, that today comprises some sixty artists working on four continents.