William Henry Gates III (born October 28, 1955, in Seattle, Washington, U.S.) is a businessman, investor, philanthropist, and author,...

Introduction Elon Reeve Musk (born June 28, 1971 in Pretoria, Transvaal, South Africa) is a businessman and investor. He is the founder...

Introduction Jeffrey Preston Bezos (born January 12, 1964, in Albuquerque, New Mexico, U.S.) is an American entrepreneur who played a key...