He also made several world record-breaking attempts like he the fastest Atlantic Ocean crossing. In 1993, Branson was awarded an honorary degree of Doctor of Technology from Loughborough University. In 1998, Branson released his autobiography, titled Losing My Virginity, an international bestseller.

Famous Saying: “A business has to be involving, it has to be fun, and it has to exercise your creative instincts.”

3. Warren Buffett

He is an American entrepreneur, investor, and philanthropist. He is widely considered the most successful investor of the 20th century. He is noted for his adherence to the value investing philosophy and for his personal frugality despite his immense wealth. Buffett is also a notable philanthropist, having pledged to give away 99 percent of his fortune to philanthropic causes, primarily via the Gates Foundation. On April 11, 2012, he was diagnosed with prostate cancer, for which he completed treatment in September 2012. He is consistently ranked among the world's wealthiest people.