Successful People Who Failed At First – Sir James Dyson

James Dyson

While developing his vacuum, Sir James Dyson went through 5,126 failed prototypes and his savings over 15 years.

But the 5,127th prototype worked and now the Dyson brand is the best-selling vacuum cleaner in the United States if not the world.

You can read more on Sir James Dyson at http://en.wikipedia.org/wiki/Sir_James_Dyson