FREI OTTO, THE GERMAN PAVILION, EXPO 1967
Research, development and daring – Frei Otto wins the Pritzker Prize
Frei Otto: Architect best known for the tented roofs that graced the 1972 Olympics in Munich, The Independent
German Postwar Modern — The German pavilion at the 1967 Expo in Montreal
Frei Otto: a life in projects
II] FREI OTTO. First Posthumous Pritzker Prize, The Strength of Architecture
Video: Frei Otto's German Pavilion at Expo 67
Frei Otto – pioneer and founder of lightweight membrane roofs
Frei Otto wins 2015 Pritzker Prize, News
Expo 67 German Pavilion