Anurag Agarwal is posting on his blog reflections on Web Application Security experts.
He did a great job collecting a lot of material on each one of them. These guys are the best in their field and we all can learn from them.
Worth taking a look:

Reflection on Amit Klein
http://myappsecurity.blogspot.com/20...mit-klein.html

Reflection on RSnake
http://myappsecurity.blogspot.com/20...on-rsnake.html

Reflection on Jeremiah Grossman
http://myappsecurity.blogspot.com/20...-grossman.html

Reflection on Billy Hoffman
http://myappsecurity.blogspot.com/20...y-hoffman.html

Reflection on Sheeraj Shah
http://myappsecurity.blogspot.com/20...eraj-shah.html

Reflection on Ivan Ristic
http://myappsecurity.blogspot.com/20...an-ristic.html

Reflection on Robert Auger
http://myappsecurity.blogspot.com/20...ert-auger.html

Reflection on Jeff Williams
http://myappsecurity.blogspot.com/20...-williams.html

Reflection on Chris Shiflett
http://myappsecurity.blogspot.com/20...-shiflett.html