The number of failures before success

This will become the complete list on how many times an individual or a company failed at a task before they became successful. If you want to add a person or a company to the list, please leave a comment.

• SpaceX's first rocket, Falcon 1, failed three times before it became successful
• The book The 4-Hour Workweek by Tim Ferriss was rejected by 25 publishers
• Richard Branson founded 400 companies before he found a successful idea
• Colonel Sanders, founder of Kentucky Fried Chicken, was turned down 1009 times when he tried to sell his now successful fried chicken recipe
• Sylvester Stallone was rejected 1500 times when he tried to sell in the movie Rocky
• James Dyson manufactured 5126 prototypes of a vacuum cleaner before he found a good design
• PayPal changed business idea 5 times before they found the idea behind the company we know today

Source: Funders and Founders, The Engineer, Fast Company