 Rajagopala Chidambaram

Rajagopala Chidambaram (born 12 November 1936) is an Indian Physicist who is known for his integral role in India's nuclear weapons program; he coordinated test preparation for the Pokhran-I (1975) and Pokhran-II (1998).Previously served as the principal scientific adviser to the federal Government of India, Chidambaram previously served as the director of the Bhabha Atomic Research Centre (BARC)— and later as chairman, Atomic Energy Commission of the Government of India and he contributed in providing national defence and energy security to India.