2015 Pritzker Prize winner: Frei Otto

digital image of pavilion roof — Frei Otto, *German Pavilion. Expo '67*, Montreal, Canada

© William Kessler / Source: AAEL Digital Images

The German architect and engineer Frei Otto (1925-2015) has been posthumously awarded this year's Pritzker Architecture Prize. Best known for his work with lightweight tensile and membrane structures, he founded and led the Institute for Lightweight Structures at the University of Stuttgart. Numerous images of his work are in the image database of the Art, Architecture and Engineering Library.

digitized aerial photograph of stadium — *Olympic Stadium*, Munich, Germany 1968-1972
Behnisch & Partner; Frei Otto
© William Kessler / Source: AAEL Digital Images

digitized photograph of a tent structure — *Tent structure*, Stuttgart, Germany ca. 1966
© Edward Olencki / Source: AAEL Digital Images

digitized photograph of roof of tent structure — *Tent structure*, Stuttgart, Germany ca. 1966
© Edward Olencki / Source: AAEL Digital Images

Imageworks also has the dvd "Dreaming of a treehouse" about Otto's Ökohaus, an experimental ecological housing project in Berlin's city center.