Kent Beck is known as the author of eXtreme Programming; yet, he has said that Ward Cunningham taught him almost everything.
MSDN Channel9 has very interesting videos, take a look, here are some refs:
Jim Newkirk and Ward Cunningham - What is Extreme Programming?
Ward Cunningham - What would you teach a kid about the world of programming?
Ward Cunningham - Do you get religious about programming languages?