Gianni Pettena 1966-2021Gianni Pettena (born 1940, Bolzano, Italy) was a central figure in research regarding the boundary between architecture and art in the later 1960sa movement Germano Celant dubbed radical architecture. Together with the Florentine groups Archizoom, Superstudio, and UFO, and Turinese groups like the Gruppo Strum, Pettena helped expand and redefine the limits of what could be described as architecture, making a fundamental contribution to the ferment