Influence and legacy Ranganathan dedicated his book The Five Laws of Library Science to his maths tutor at Madras Christian College, Edward Burns Ross. His birthday, August 12, has been denoted National Librarians' Day in India. See also Colon classification Faceted classification Five laws of library science Madras Public Libraries Act Subject (documents) References Cited sources Srivastava, A. P. (1977). Ranganathan: A pattern maker. New Delhi: Metropolitan Book Co. External links Portal on Dr. S R Ranganathan from India Ranganathan for Information Architects by Mike Steckel Ranganathan's Monologue on Melvil Dewey, Recorded 1964 – transcript India's First IT Guru S.R. Ranganathan (1892–1972): Google Scholar Profile Ranganathan- Profile in Brief Full-view works by S.R. Ranganathan at HathiTrust Digital Library. 1892 births 1972 deaths 20th-century Indian mathematicians Academic librarians Indian librarians Librarianship and human rights Library science scholars People from Mayiladuthurai district Recipients of the Padma Shri in literature & education Scientists from Tamil Nadu University of Madras alumni