Frei Otto, Architect, Dies at 89; the Soap Bubble Was an Inspiration - The New York Times

Pritzker Prize for Frei Otto, German Architect, Is Announced After

German architect Frei Otto dies, aged 89 – DW – 03/10/2015

Frei Otto: a life in projects

The Avery Review The Record of Reality: Corbusier, Google, and

The Shape of Wine - Studio 20, 2020 by George Avraam - Issuu

Frei Otto: a life in projects

Frei Otto (1925-2015) - Architectural Review

Frei Otto (1925-2015) - Architectural Review

FREI OTTO. [VIDEO] MODELING WITH SOAP FILMS

Frei Otto Experimenting with Soap Bubbles.

German architect Frei Otto dies, aged 89 – DW – 03/10/2015