Frei Otto, the pioneer of sustainability and lightweight structures was notified of the honor before his death on March 9.
The Pritzker Prize, Architecture's Oscars, Comes to Miami - Curbed
Frei Otto (1925–2015)
SAVE THE MULTIHALLE! designed by Frei Otto in Mannheim - Competition
How to win a Pritzker Prize
Frei Otto Posthumously Named 2015 Pritzker Laureate
Posthumous Pritzker Architecture Prize awarded to Frei Otto
Frei Otto Posthumously Awarded the Pritzker Prize
Frei Otto The Pritzker Architecture Prize
SAVE THE MULTIHALLE! designed by Frei Otto in Mannheim - Competition
In Memoriam: Frei Otto, Aga Khan Award for Architecture & Pritzker
Frei Otto awarded 2015 Pritzker Prize, a day after his death
Pritzker Prize for Frei Otto, German Architect, Is Announced After
Pritzker Prize Archives - Metropolis