"A world full of color," said Friedensreich Hundertwasser, "is synonymous with paradise." With his demonstrations and actions, his manifestos for nature, for more human-oriented architecture, and for the improvement of the quality of life and living conditions, Friedensreich Hundertwasser was one of the most fascinating artists of the 20th century. He became a symbolic figure, not only as a painter but also as an architect, ecologist, and philosopher,...