Melville Louis Kossuth Dewey was a prominent American librarian and educator who is best known for creating the Dewey Decimal Classification system, a widely used system used to categorize books in libraries. There are several synonyms that can be used to describe Melville Dewey, including bibliographer, classificationist, and information management expert. Dewey was also an innovator in library science, developing new techniques and ideas that continue to influence the field today. His legacy lives on through his contributions to the organization of knowledge, and his impact on libraries and librarianship will be felt for generations to come.