Black Hat Crackers

1. Jonathan James

2. Adrian Lamo

3. Kevin Mitnick

4. Kevin Poulsen

5. Robert Tappan Morris

White Hat Hackers 

1. Stephen Wozniak

2. Tim Berners-Lee

3. Linus Torvalds

4. Richard Stallman

5. Tsutomu Shimomura

via itsecurity