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 Antonella Ippolito and first published on 12/04/2005 – 07/05/2009. Here is the Italian version of this entry. Grammarian: Name: Heraclides [1] | Ἡρακλείδης Identity: Perseus | BNP Place of Origin: Heracleia Pontica Date: ca. 390–ca. 310 BCE ↓ To Source List Biography: We can deduce the date of Heraclides from the testimonia only with a certain degree of difficulty. Amid the more useful information furnished by the sources is the notice – preserved by the Suda …

Entry Version: This is the English version of this article translated by Patrick Hogan. The original Italian version was written by Antonella Ippolito and first published on 06/04/2005. Here is the Italian version of this entry. Grammarian: Name: Hermippus [1] | Ἕρμιππος Identity: Perseus | BNP | FGrHist IV Place of Origin: Smyrna Date: 3rd c. BCE ↓ To Source List Biography: The Smyrnean origin of Hermippus, who is principally known for his biographical writings1, is attested by Athenaeus2 7, 327b. A quite secure date comes from his nickname Καλλιμάχειος, “student of Callimachus3”, whi…

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: Theodorus [3] | Θεόδωρος Place of Origin: Soli Date: ? ↓ To Source List Biography: A philosopher1 and mathematician2 from Soli, Theodorus was the author of a commentary on Plato’s3 Timaeus, in which he examined the mathematical theories present in the philosopher’s works (cf. Plut. De def. or. 32, 427a: ἐξηγούμενος τὰ μαθηματικὰ τοῦ Πλάτωνος). In dial…

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 Paola Ascheri and published on 04/04/2019. Here is the Italian version of this entry. Grammarian: Name: Adrastus | Ἄδραστος Identity: Pauly-Wissowa | BNP Place of Origin: Aphrodisias Date: first half of the 2nd c. CE ↓ To Source List Biography: Adrastus was a Peripatetic philosopher1 and native of Aphrodisias in Caria who lived in the 2nd c. CE: the mention of Adrastus by Galen2 (ca. 130-ca. 200 CE) constitutes a terminus ante quem useful for dating the act…