In photos: 6 facts about Pokhran nuclear tests under Abdul Kalam's guidance

Dr. Avul Pakir Jainulabdeen Abdul Kalam was born on October 15, 1931, in Rameswaram in Tamil Nadu. A brilliant child, he went on to add a golden page to the glorious history of India and became its 11th President.

He specialised in Aeronautical Engineering from Madras Institute of Technology and later joined the Defence...