Dr. S. Radhakrishnan papers, a huge treasure trove of historical material dating back to almost a hundred years with very rare and original documents have been donated by Smt. Indira Gopal. These mainly relate to his stint as King George V Chair of Mental and Moral Science at Calcutta University, 1921-32, Spalding Professor of Eastern Religion and Ethics and Fellow, All Souls College, Oxford University, 1936-1952; Vice Chancellor of Andhra University, 1931-36, and Banaras Hindu University, 1939·48; Indian representative at UNESCO, 1946-52, Ambassador to USSR, 1949·52; and his tenure as Vice President (1952-62) and President (1962-67) of India. Besides correspondence with his contemporaries, the collection also contains his handwritten notes, articles, lectures and speeches on religion and philosophy. Also, rare books, journals, pamphlets and photo albums. The papers cover the tenure of three Prime Ministers and open up new avenues of study and research.