His name is Nikola Tesla. He was a Mechanical and Electrical Engineer. He was best known for his contributions to the design of the modern alternating current.

His name is Stephen Covey He was a Businessman, teacher and writer. He wrote so many books, however the best sellers was the 7 habits of highly effective people.

His name is Lionel Messi.He is a football player. He has been playing at forward in the Barcelona FC.