Librarian in the context of "Aristophanes of Byzantium"

In conservation, library and archival science, preservation is a set of preventive conservation activities aimed at prolonging the life of a record, book, or object while making as few changes as possible. Preservation activities vary widely and may include monitoring the condition of items, maintaining the temperature and humidity in collection storage areas, writing a plan in case of emergencies, digitizing items, writing relevant metadata, and increasing accessibility. Preservation, in this definition, is practiced in a library or an archive by a conservator, librarian, archivist, or other professional when they perceive a collection or record is in need of maintenance.

Preservation should be distinguished from interventive conservation and restoration, which refers to the treatment and repair of individual items to slow the process of decay, or restore them to a usable state. "Preventive conservation" is used interchangeably with "preservation".

A library is a collection of books, and possibly other materials and media, that is accessible for use by its members and members of allied institutions. Libraries provide physical (hard copies) or digital (soft copies) materials, and may be a physical location, a virtual space, or both. A library's collection normally includes printed materials which can be borrowed, and usually also includes a reference section of publications which may only be utilized inside the premises. Resources such as commercial releases of films, television programmes, other video recordings, radio, music and audio recordings may be available in many formats. These include DVDs, Blu-rays, CDs, cassettes, or other applicable formats such as microform. They may also provide access to information, music or other content held on bibliographic databases. In addition, some libraries offer creation stations for makers which offer access to a 3D printing station with a 3D scanner.

Libraries can vary widely in size and may be organised and maintained by a public body such as a government, an institution (such as a school or museum), a corporation, or a private individual. In addition to providing materials, libraries also provide the services of librarians who are trained experts in finding, selecting, circulating and organising information while interpreting information needs and navigating and analysing large amounts of information with a variety of resources. The area of study is known as library and information science or studies.

Zenodotus (Ancient Greek: Ζηνόδοτος) was a Greek grammarian, literary critic, Homeric scholar, and the first librarian of the Library of Alexandria. A native of Ephesus and a pupil of Philitas of Cos, he lived during the reigns of the first two Ptolemies, and was at the height of his reputation about 280 BC.
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Callimachus (/kəˈlɪməkəs/; Ancient Greek: Καλλίμαχος, romanized: Kallimachos; c. 310 – c. 240 BC) was an ancient Greek poet, scholar, and librarian who was active in Alexandria during the 3rd century BC. A representative of Ancient Greek literature of the Hellenistic period, he wrote over 800 literary works, most of which do not survive, in a wide variety of genres. He espoused an aesthetic philosophy, known as Callimacheanism, which exerted a strong influence on the poets of the Roman Empire and, through them, on all subsequent Western literature.

Born into a prominent family in the Greek city of Cyrene in modern-day Libya, he was educated in Alexandria, the capital of the Ptolemaic kings of Egypt. After working as a schoolteacher in the city, he came under the patronage of King Ptolemy II Philadelphus and was employed at the Library of Alexandria where he compiled the Pinakes, a comprehensive catalogue of all Greek literature. He is believed to have lived into the reign of Ptolemy III Euergetes.

Aristarchus of Samothrace (Ancient Greek: Ἀρίσταρχος ὁ Σαμόθραξ, romanized: Aristarchos o Samothrax; c. 220 – c. 143 BC) was an ancient Greek grammarian, noted as the most influential of all scholars of Homeric poetry. He was the head librarian of the Library of Alexandria and seems to have succeeded his teacher Aristophanes of Byzantium in that role.

A public library is a library, most often a lending library, that is accessible by the general public and is usually funded from public sources, such as taxes. It is operated by librarians and library paraprofessionals, who are also civil servants.

There are five fundamental characteristics shared by public libraries:

A public library is a library that is accessible by the general public and is generally funded from public sources, such as taxes. It is operated by librarians and library paraprofessionals, who are also civil servants.