Shiyali Ramamrita

Ranganathan(August, 9,1982- September 27, 1972

The father of library science in India He introduced the Colon Classification System, which classifies all knowledge into broad, fundamental concepts.

His five laws of Library science was widely accepted as a definitive statement of the ideal of library service.

He also drafted plans for a national and several state library systems, founded and edited several journals, and were active in numerous professional associations.

Each main classes comprises five fundamentals facets, or groups:

personality matter energy spacetime

Colon Classification System •It is derived from the name its use of the colon in its notation scheme. •The Colon Classification System divides these concepts into several distinguishing characteristics, which Ranganathan called facets.

•The classification system uses colon (:) to distinguish between the various facets in a single notation.

•In it, there are 108 main classe s and 10 generalized classes (broadly divided between the humanities and sciences), which are represented by a mixed notation of Arabic numerals and Roman and Greek letters.

Lee Pierce Butler

(1884-1953)

A professor, rare book curator, and the son of John Pierce Butler.He traveled abroad, where he collected extensively and became exceedingly well known to the English and Continental booksellers. He is also partially credited with assuring that the massive vollbehr collection of incunables.

In 1931, Butler become the faculty of university of Chicago in the graduate library school as a professor of bibliographical history. The fullest articulation of his advocacy of social scientific ideas, notably quantification and its concomitant precision, can be found in his now classic Introduction to Library science (1933).

In simplistic terms, their conflict was the start of the qualitative versus quantitative debate in librarianship. Butler referred to many of the developments within librarianship as scientist and began to argue for something more– a deeper, more spiritual librarianship.

His memberships included the American Library Association, the American Institute for the Graphic Arts, the Caxton Club, Society for Typographic Arts, and the Chicago Literary Club, while a visiting professor at the University of North Carolina at Chapel Hill.