Dr. APJ Abdul Kalam a well-known scientist, professor, aeronautical engineer, the chancellor of the Indian Institute of Space Science and Technology (IIST), and the 11th President of India is one of the greatest personalities of our country. Honored by the highest civilian honour of India, Bharat Ratna, and also called by the titles like the 'Missile Man of India' and 'People's President', Dr. APJ Abdul Kalam is truly an inspiring personality. Here is a brief description of Dr. APJ Abdul Kalam's life, which is a great source of inspiration. Dr. Sarvapalli Radhakrishnan a great thinker, philosopher, educationist, scholar and statesman of India is one of the most inspiring Indian personalities. His birthday, 5th September, is celebrated in India as Teachers' Day every year. Dr. S. Radhakrishnan acted as the first Vice President and the second President of independent India. He dedicated his entire life in educating and empowering people and contributed a lot in laying the foundation of the Indian education system. Here is a brief description of S. Radhakrishnan's life, which is a great source of inspiration.