Dr. Rajagopala Chidambaram, an illustrious physicist and a beacon of scientific and strategic innovation in India, passed away on January 4, 2025, at the age of 88. His contributions to India’s scientific capabilities, particularly in nuclear technology, have left an indelible mark on the nation and the global scientific community.
Born in 1936, Dr. Chidambaram was educated at Presidency College in Chennai and the prestigious Indian Institute of Science in Bengaluru. An exceptional academic, he ventured into the demanding fields of high-pressure physics, crystallography, and materials science, contributing significantly to each discipline. His pioneering research laid the groundwork for modern materials science research in India, propelling the nation toward the forefront of global scientific exploration.
Dr. Chidambaram’s career was marked by numerous prominent roles that defined his contribution to India’s stride in nuclear technology and scientific advancement. He served as the Director of the Bhabha Atomic Research Centre from 1990 to 1993, and subsequently as the Chairman of the Atomic Energy Commission and Secretary to the Department of Atomic Energy from 1993 to 2000. During his leadership tenure, he was instrumental in orchestrating the Pokhran-II nuclear tests in 1998, moving India into the league of acknowledged nuclear powers. His efforts were pivotal in the establishment of India’s nuclear strategy, underscoring his commitment to the nation’s strategic self-reliance and security.
From 2001 to 2018, Dr. Chidambaram served as the Principal Scientific Adviser to the Government of India. In this role, he championed the application of science and technology in national development. His foresight and leadership were crucial in the conceptualization and inception of the National Knowledge Network, enhancing connectivity among educational and research institutions across India. He was a fervent advocate for initiatives like the indigenous development of supercomputers and his efforts in fostering ‘Coherent Synergy’ in scientific endeavours have had longstanding impacts.
Dr. Chidambaram’s commitment to science extended beyond mere research and development; he endeavoured to harness technology for societal benefit. He initiated the Rural Technology Action Groups and was instrumental in founding the Society for Electronic Transactions and Security, transforming theoretical scientific perspectives into practical applications benefiting various societal sectors including healthcare and energy.
His distinguished career and contributions were rightly recognised with numerous accolades, including the Padma Shri in 1975 and the Padma Vibhushan in 1999. He was conferred honorary doctorates by several esteemed institutions and was a fellow of numerous prestigious science academies both in India and abroad.
Dr. Chidambaram leaves behind a legacy of intellectual brilliance and an unwavering dedication to his country. A trailblazer, a mentor, and an inspiring leader, he has indelibly shaped the landscape of Indian science and technology.