wings of fire
we can contact Dr. A.P.J Abdul kalam by going on his website www. A.P.J@ ABDUL KALAM.COM
Because he is "brilliant" & used his brains to live life....His heart is towards the childrens of India and always wanted to work for the country's betterment
i think he find the subect mathematics
A.P.J Abdul kalam No 10,Rajaji Marg New Delhi-110011. Phone;011-23793601 Email:apj@abdulkalam.com