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Censorinus  

Alun Hudson-Williams and V. Nutton

Online publication date:
Dec 2015
Censorinus (3rd cent. ce), a Roman grammarian (Prisc. 1. 4. 17), wrote On Accents (De accentibus, lost), and ‘a fine volume, on Birthdays’ (De die natali volumen illustre) (Sid. Apoll. Carm. 14 pref. ... More

Cetius Faventinus, Marcus  

Leofranc Holford-Strevens

Online publication date:
Dec 2015

Marcus Cetius Faventinus, (3rd–4th cent. ce), made a revised abridgement of *Vitruvius for builders of private houses; his work was used by *Palladius (1) and *Isidorus (2).

changing landscapes, natural causes of  

John Bintliff

Online publication date:
Mar 2017
The classical world witnessed many forms of landscape change in its physical geography, mostly due to longer-term geological and climatological processes, whilst only a minority were due ... More

Chrysermus  

Heinrich von Staden

Online publication date:
Dec 2015
Chrysermus (fl. mid-1st cent. bce?), Alexandrian physician of the ‘school’ of *Herophilus. The extant evidence, transmitted principally by *Galen and *Pliny (1) the Elder, concerns his pulse theory ... More

Claudius Thrasyllus, Tiberius  

G. J. Toomer

Online publication date:
Dec 2015
Tiberius Claudius Thrasyllus, of *Alexandria (1), astrologer (d. 36 ce), owed his great reputation to the emperor *Tiberius, who, meeting him in *Rhodes, brought him to Rome, trusted his ... More

Cleomedes  

G. J. Toomer

Online publication date:
Dec 2015
Wrote (perhaps c.360 ce) a treatise on astronomy, Κυκλικὴ θεωρία [μετεώρων] ‘Elementary Theory [of the Heavens]’. Although disordered and often trivial, the work is valuable for what it preserves ... More

Cleonides  

Andrew Barker

Online publication date:
Dec 2015

Cleonides (perhaps 2nd cent. ce). His Introduction to Harmonics is an unusually reliable compendium of *Aristoxenus' basic doctrines.

climate  

Robert Sallares

Online publication date:
Dec 2015
The ancient climate was very similar to the modern climate. The Mediterranean climate is characterized by cool, wet winters and hot, dry summers. There is a very high degree of interannual climatic ... More

clocks  

G. J. Toomer and Serafina Cuomo

Online publication date:
Dec 2015
The usual instrument for telling time in antiquity was the sundial. This employed the shadow of a pointer (γνώμων) cast on a plane, spherical, or conical surface marked with lines indicating the ... More

Conon (2), of Samos, Greek mathematician and astronomer, 1st half of 3rd cent. BCE  

G. J. Toomer

Online publication date:
Mar 2016
Conon of *Samos (first half of 3rd cent. bce), mathematician and astronomer. After observing star-risings and weather phenomena in Italy and Sicily, he became famous by his identification ... More

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