Bill Gates is founder of Microsoft. Bill Gates donated more than 30 Billion USD to charity institutes. If we include the 30 Billion USD in his wealth creation, then Bill Gates is the person who has created most wealth in the World even when compared with Jeff Bezos who is founder of Amazon.
When the World does not know much about software, Bill Gates has dreams to develop software operating system. Slowly he converted that into Windows operating system which is most user friendly and which is used by most of people in World.