Silk screen in colours, 36,5 x 60 cm, lo. ri. num. 1736/3000, lo. le. in the print titled as well as dat. April 1971, framed under glass, uninspected out of frame. - Painter, architect a. ecologist, most prominent exponent of the "Neue Wiener Schule" who became world famous with his organically shaped buildings a. his colourful paintings. - Lit.: Schmied-Fürst "F.H." a. others.