Avul Pakir Jainulabdeen Abdul Kalam usually referred to as A. P. J. Abdul Kalam, is a renowned aerospace engineer, professor (of Aerospace engineering), and first Chancellor of the Indian Institute of Space Science and Technology Thiruvananthapuram (IIST), who served as the 11th President of India from 2002 to 2007. During his term as President, he was popularly known as the People's President. He was awarded the Bharat Ratna, India's highest civilian honour in 1997.