My personal hero, at least when it comes to computer science. Always insisting on methodical rigour and practical applicability at the same time. So many comput

My personal hero, at least when it comes to computer science. Always insisting on methodical rigour and practical applicability at the same time. So many computer scientists have been influenced by his work. Check his homepage (and the ETH pages) for free books on programming (algorithms and data structures) and programming languages!