People who have done outstanding things with their lives.
In 1986, Cliff Stoll was an Astronomy Professor at Berkley. When a computer administrator was on leave, Cliff was in charge of the systems. He found a 75 cent accounting error and started tracking it down. He eventually exposed a Soviet Bloc hacker who was stealing US Military secrets. His book, The Cuckoo’s Egg details the security issues that allowed the hacker to penetrate some of the most secure systems. The problem is that these vulnerabilities still exist today.
Isambard Kingdom Brunel was a British engineer who left an amazing legacy in his 53 short years. This was the time of the Industrial Revolution. He had vision and drive far beyond most men. His works included Ships, Bridges, Tunnels and Railroads. Most of his works were larger than life such as the amazing Great Eastern Steamship.