“If you’re to have a chance at succeeding, you have to stay excited in the face of failure,” said Stanford Electrical Engineering Professor Emeritus Martin Hellman. Hellman was the co-inventor of public key cryptography.
Sir Ranulph Fiennes (British explorer adventurer) First man to visit the North and South Poles, cross the Anartica by foot and climbing to the summit of Mt. Everest. He is considered the world's greatest living explorer.