has founded a company that really seems to be getting the job done when it comes to space exploration. >> i think tesla gets a lot of attention because it is up car people see on the streets and is a consumer thing but in the book i would argue space x is his biggest and most unlikely achievement. it started around 2002 from scratch and no one ever thought it would become a real player in aerospace and today is the u.s.'s leading aerospace company. john: we are all shaped by our childhoods. he grew up in south africa. what is it that created this i don't know, dreamer? american success story? >> this is the first time we get a peek at his childhood. i talked to his family and friends and lots of schoolmates growing up. the use to read science fiction books and most people sort of take those as stories that he