In the world, there are 10 Top people who contributed to IT world, without them the IT world would't be the same anymore.
They are:
1. Mr. Bill Gates - (Founder of Microsoft and Windows)
2. Mr Steve Jobs - (Founder of Apple Inc)
3. Ken Kutaragi - (Founder of Playstation series)
4. Fusajiro Yamauchi - (Founder of Nintendo)
5. Hironobu Sakaguchi - (Creator of Final fantasy Series)
6. Jen-Hsun Huang - (Creator of Nvidia Corporation)
7. Kwok Yuen Ho/Benny Lau/Lee Ka Lau - (Creator of ATI Corporation)
8. Charles Babbage/Konrad Zuse/John Von Neumann - (Creator of Computer)
9. Cevat, Avni and Faruk Yerli - (Founder of Crytek)
10. Kazuo "Kaz" Hirai - (CEO of Sony Corporation)
*There are still others whom contributed alot too!