Some unknown facts of Kalam's life, thought provoking

President Kalam is known to write his own thank you cards. As humble and generous the man is, President Kalam is known to sign his own thank you cards. One instance is when Quora user Naman Narain drew a sketch of Dr. Kalam and sent it to the President. To his surprise, the President sent him a thank you card, with a short handwritten message and personalised with his signature.