Heinz Gappmayr – Raum, Reflex, ColorsHeinz Gappmayr (19252010), whose complex work significantly enriched concrete and visual poetry, is one of the most prominent representatives of the avant garde in the second half of the twentieth century. Between 1977 and 1983, he created three exceptional book works that have lost none of their radicalism and conceptual clout to this day. Raum (1977), meaning room or space in German, confronts the readers with forty white pages likely causing some