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Ptolemy

(fl. 146—170) Greek astronomer and geographer

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Ptolemy, Claudius

Ptolemy, Claudius (c.100–c.176ce)   Reference library

The Oxford Encyclopedia of Ancient Greece and Rome

Reference type:
Subject Reference
Current Version:
2010
Subject:
Classical studies, History
Length:
1,513 words

(Claudius Ptolemaeus; c.100–c.176ce),

scientific author from Roman Alexandria. We have no reliable information about Ptolemy's life, but

Ptolemy

Ptolemy (ad 139–61)   Quick reference

A Dictionary of Celtic Mythology

Reference type:
Subject Reference
Current Version:
2004

(fl. ad 139–61).

Egyptian geographer and astronomer sometimes called Claudius Ptolemaeus to distinguish him from the several Egyptian

Ptolemy

Ptolemy (ad 90–168)   Quick reference

World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
64 words

Greek astronomer and geographer. He worked at the library of Alexandria, Egypt. Ptolemy's chief astronomical work, the Almagest, drew

Ptolemy

Ptolemy (4)   Reference library

G. J. Toomer, Alexander Jones, and Andrew D. Barker

The Oxford Classical Dictionary (4 ed.)

Reference type:
Subject Reference
Current Version:
2012
Subject:
Classical studies, History
Length:
2,026 words

wrote at *Alexandria (1), between ad 146 and c.170, definitive works in many of the mathematical sciences (...

Ptolemy

Ptolemy   Reference library

Helen E. Ross and Richard L. Gregory

The Oxford Companion to the Mind (2 ed.)

Reference type:
Subject Reference
Current Version:
2006
Subject:
Science and technology, Psychology, Philosophy
Length:
345 words

A Graeco-Egyptian scholar in Alexandria, who wrote astronomical and other texts, including the Optics (c.170), which contained his views on ...

Ptolemy in the renaissance

Ptolemy in the renaissance   Reference library

The Oxford Dictionary of the Renaissance

Reference type:
Subject Reference
Current Version:
2005
Subject:
History, Early Modern History (1500 to 1700)
Length:
398 words
Claudius Ptolemy (fl. ad 129–41), who worked in Alexandria (Egypt), summarized the current state of Greek astronomy in a thirteen-book work whose Greek title, meaning ... More
Ptolemy

Ptolemy   Reference library

The Oxford Encyclopedia of Maritime History

Reference type:
Subject Reference
Current Version:
2007
Subject:
History, Military History
Length:
894 words
Illustration(s):
1

(fl. mid-second century c.e.), Greek astronomer and geographer. Claudius Ptolemaeus—long known in English as “Ptolemy”—ranks among the most celebrated

Ptolemy

Ptolemy   Reference library

The Oxford Companion to World Exploration

Reference type:
Subject Reference
Current Version:
2007
Subject:
History
Length:
1,105 words
Illustration(s):
1

Greek-speaking scientific author of the second century c.e. Klaudios Ptolemaios—long known in English as “Ptolemy”—wrote a Guide to Drawing

Ptolemy

Ptolemy   Quick reference

G. J. Toomer and Andrew D. Barker

Who's Who in the Classical World

Reference type:
Subject Reference
Current Version:
2003
Subject:
Classical studies, History
Length:
1,529 words
wrote at Alexandria, between ad 146 and c.170, definitive works in many of the mathematical sciences, including astronomy and geography. ... ptolemy's ... More
Ptolemy

Ptolemy   Quick reference

A Dictionary of Scientists

Reference type:
Subject Reference
Current Version:
2003
Subject:
Science and technology
Length:
583 words

(c. 2nd century ad) Egyptian astronomer

Virtually nothing is known about the life of Ptolemy (full name Claudius Ptolemaeus...

Ptolemy

Ptolemy   Reference library

David Pingree and Anthony Cutler

The Oxford Dictionary of Byzantium

Reference type:
Subject Reference
Current Version:
2005
Subject:
History, Early history (500 CE to 1500)
Length:
455 words
ancient astronomer, astrologer, and mathematician; fl. Alexandria ca.130–75. The greatest authority on astronomy and astrology in late antiquity, Ptolemy continued to be regarded ... More
Ptolemy

Ptolemy 2   Quick reference

The Oxford Dictionary of Phrase and Fable (2 ed.)

Reference type:
Subject Reference
Current Version:
2006

(2nd century),

Greek astronomer and geographer. His teachings had enormous influence on medieval thought, the geocentric view of the cosmos (the ...

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