Dr. A.P.J. Abdul Kalam - Former President of India, graduated in 1954 from PSG College of Arts and Science. Known for his contributions to India's space and missile technology programs.
Dr. K. Radhakrishnan - Former Chairman of the Indian Space Research Organisation (ISRO), graduated in 1970. Led several successful space missions.
Dr. S. Ramadorai - Former CEO of Tata Consultancy Services, graduated in 1972. Played a key role in the growth of the IT industry in India.
Dr. V. Krishnamurthy - Former Chairman of BHEL and Maruti Udyog Limited, graduated in 1955. Known for his contributions to industrial development in India.