Dr. APJ Abdul Kalam, born on October 15, 1931, in Rameswaram, Tamil Nadu, was an aerospace engineer, author, and the 11th President of India, known for his contributions to India's missile development and nuclear programs. He served as the principal scientific advisor to the government and advocated for technological advancement to solve societal issues, earning numerous honors and awards throughout his life. A proponent of India's development as a knowledge superpower, he lived a disciplined life dedicated to work and learning.