Friedrich Stowasser (December 15, 1928 – February 19, 2000), better known by his pseudonym Friedensreich Regentag Dunkelbunt Hundertwasser, was an Austrian-born New Zealand artist and architect who also worked in the field of environmental protection.
Hundertwasser stood out as an opponent of "a straight line" and any standardization, expressing this concept in the field of building design.
His best known work is the Hundertwasserhaus in Vienna, Austria which has become a notable place of interest in the Austrian capital, characterised by imaginative vitality and uniqueness.