Entry Version: This is the English version of this article translated by Patrick Hogan. The original Italian version was written by Claudio Meliadò and first published on 31/10/2017. Here is the Italian version of this entry. Grammarian: Name: Attalus [1] | Ἄτταλος Identity: BNP Place of Origin: Rhodes Date: mid-2nd c. BCE ↓ To Source List Biography: Attalus was an astronomer1 and mathematician2 of the mid-2nd c. BCE (Kidd 1997, p. 18) and an older contemporary of Hipparchus3. He revised the text of Aratus’4 Phaenomena5, probably based on a collation of several manuscripts (Lui…

Entry Version: This is the English version of this article translated by Patrick Hogan. The original Italian version was written by Mario Regali and published on 14/12/2007. Here is the Italian version of this entry. Grammarian: Name: Nicander [2] | Νίκανδρος Identity: Perseus | Pauly-Wissowa | BNP | BNJ Place of Origin: Claros (Colophon) Date: 2nd c. BCE? ↓ To Source List Biography: The dating of Nicander is uncertain, since the biographical testimonia alternate between the reign of Ptolemy V Epiphanes (204–181 BCE), according to the first and fourth sections of the Vita Arati (pp. 8, 2…

Entry Version: This is the English version of this article translated by Patrick Hogan. The original Italian version was written by Matteo Rossetti and published on 01/11/2018. Here is the Italian version of this entry. Grammarian: Name: Achilles [Tatius] | Ἀχιλλεὺς [Τάτιος] Identity: Pauly-Wissowa | BNP Place of Origin: ? Date: 2nd/3rd c. CE ↓ To Source List Biography: This grammarian1 is dated to ca. 2nd/3rd c. CE (this dating was proposed also by Martin 1956 , p. 132): the first testimonium about a work by Achilles on the sphaera barbarica appears in Firmicus Maternus2 ( Math. 4, 17 ,12), …

Entry Version: This is the English version of this article translated by Patrick Hogan. The original Italian version was written by Claudio Meliadò and published on 04/04/2019. Here is the Italian version of this entry. Grammarian: Name: Theon [1] | Θέων Identity: Pauly-Wissowa | BNP Place of Origin: ? Date: 1st c. BCE ↓ To Source List Biography: Theon, the son of Artemidorus of Tarsus1, a follower of Aristophanes of Byzantium2, lived in the Augustan Age or in the final years of the Republican period (Bongelli 2000, p. 281) and led the philological school of Alexandria3 before Apion4 (Matth…