Charcoal drawing a. pastel, 65 x 46 cm, lo. ri. sign. a. dat. Ruddigkeit 08, unframed. -German painter a. graphic artist, R. studied 1957-62 at the Hochschule für Graphik u. Buchkunst in Leipzig under H. Wagner a. H. Mayer-Foreyt. Since 1974 he taught at the Burg Giebichenstein in Halle, in 1981 he became professor.