https://swisscollections.ch/Record/99116850037105511, last accessed on 8.23.2021.
I was so fortunate to attend his class at the Columbia-GSAPP and to talk with him in his NYC office two times! For my master thesis including his theory, discourse and architecture design thinking, I had studied on his architecture for "5 years" (1991-1996) as I shared with him by e-mail and during our conversation!