Eminent physicist Rajagopala Chidambaram, who played a key role in the nuclear tests of 1975 and 1998, died on Saturday. Dr. Rajagopala Chidambaram 1936 – 2025 Born in 1936, Dr. Chidambaram was an alumnus of Presidency College, Chennai, and the Indian Institute of Science, Bengaluru. He played an integral role in the nation's first nuclear test in 1974, and led …