A.P.J. Abdul Kalam served as the 11th President of India from 2002 to 2007. Prior to his presidency, he was a renowned scientist and played a pivotal role in developing key defense programs like India's ballistic missile and nuclear programs. As President, he was widely popular and known as the "People's President". After his term ended, he continued his work in education and outreach, inspiring many with his vision and passion for science. He passed away in 2015 while delivering a lecture at the Indian Institute of Management Shillong.