Friedensreich Hundertwasser
Friedrich Stowasser (15 December 1928 – 19 February 2000), better known by his pseudonym Friedensreich Regentag Dunkelbunt Hundertwasser (Austrian German: [ˈfriːdn̩sraɪç ˈreːɡn̩taːɡ ˈdʊŋkl̩bʊnt ˈhʊndɐtˌvasɐ]), was an Austrian visual artist, architect and activist. Hundertwasser stood out as an opponent of "a straight line" and any standardisation, expressing this concept in the field of building design.
Source: Wikipedia — Friedensreich Hundertwasser (CC BY-SA 4.0)