In this biography of Pierre Deligne, there is a quote of Jacques Tits which says that "quite a few of his best ideas have never been written!".

What are some of his best ideas that you have heard of that he didn't write about?

In this biography of Pierre Deligne, there is a quote of Jacques Tits which says that "quite a few of his best ideas have never been written!".

What are some of his best ideas that you have heard of that he hasn't written about?

In a biography of Pierre Deligne it says that "quite a few of his best ideas have never been written!".

http://www-history.mcs.st-andrews.ac.uk/Biographies/Deligne.html

What are some of his best ideas that you have heard of that he didn't write about?

In this biography of Pierre Deligne, there is a quote of Jacques Tits which says that "quite a few of his best ideas have never been written!".

What are some of his best ideas that you have heard of that he didn't write about?