Acrylic/paper, 5, 8 x 40,5 cm, lo. ri. sign. Sonderborg, matted a. framed under glass, uninspected out of frame. - German painter a. graphic artist of Danish origin, studied at the Hamburg Landeskunstschule a. under W. Grimm a. M. May, autodidact studies in abstract painting, a leading exponent of which he was to become, study trips to Italy, member of the artist group Zen 49, 1955 winner of the Lichtwark award a. numerous other awards, professor in Stuttgart a. Minneapolis, exhibited at the Documenta II a. III, great retrospective in the Stuttgart Staatsgalerie in 1987. - Lit.: Vollmer, Der Neue Rump a. others.