Naum Sluzsny  Naum Sluzsny (1914–1979) was a Swiss-born concert and chamber pianist. Sluzsny gained a reputation after the Second World War. He was a student of Stefan Askenase and lived and taught in Brussels. In 1967, he joined the Brussels masonic order "Le Ciment" for which he composed an LP. He was part of the Trio Reine Elisabeth with the violinist Carlo Van Neste and with cellist Eric Feldbusch.[2]