I think he just died of old age - he was 90.
Architect Kasemi died in 1659.
Thomas Harris - architect - died in 1900.
William Clayton - architect - died in 1877.
George Smith - architect - died in 1869.
David Brandon - architect - died in 1897.
Einar Utzon-Frank died in 1955.
jorn utzon died on the 29 ofNovember,and it was 2008.
Jørn Utzon died on November 29, 2008 at the age of 90.
Trdat the Architect died in 1020.
Architect Kasemi died in 1659.
Ehsan Danish died on 1982-03-21.
George Smith - architect - died in 1869.
Thomas Harris - architect - died in 1900.
William Clayton - architect - died in 1877.
John Campbell - architect - died in 1942.
David Laing - architect - died in 1856.
Robert Macintyre - architect - died in 1997.