P. Subramanian, a Madras University's Ph.D, is Professor of History, heading the Department of Rare Paper Manuscripts, Tamil University, Thanjavur, Tamil Nadu. An untiring researcher and research guide, he holds/has held membership of several learned bodies, like Indian History Congress, All India Political Science Association, and Kongu School of Historical Studies.

Professor Subramanian's published work comprises numerous research articles and five books that include Indian History and Civilization; History of Europe : 1815-1870, and the 3-volume Tamil translation : Modi Documents.