Hello friends I am telling about Missile man Dr. Apj Aabdul kalam.He was a braved man and he has given a great power(Agni, Bramhos, Nag missile).He born a poor faimly and he struggled for this achiement finaly he has successed and lanching the space missile.He has faced many broblem and then he become a great scientist of india.Also he was a best teacher.