People - Ancient Greece

Theodorus of Cyrene in Wikipedia

Theodorus of Cyrene (Greek: Θεόδωρος ὁ Κυρήνη) was a Greek mathematician of the 5th century BC. The only first-hand accounts of him that we have are in two of Plato's dialogues: the Theaetetus and the Sophist. In the former, his student Theaetetus attributes to him the theorem that the square roots of the non-square numbers up to 17 are irrational:...

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Theon of Alexandria in Wikipedia

Theon (Greek: Θέων; ca. 335 – ca. 405) was a Greek[1] scholar and mathematician who lived in Alexandria, Egypt. He edited and arranged Euclid's Elements and Ptolemy's Handy Tables, as well as writing various commentaries. Theon was the father of Hypatia who also won fame as a mathematician. Life The biographical tradition (Suda) defines Theon as "...

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Themistocles in Wikipedia

Themistocles (Greek: Θεμιστοκλῆς; "Glory of the Law"[1]); c. 524–459 BC, was an Athenian politician and general. He was one of a new breed of politicians who rose to prominence in the early years of the Athenian democracy, along with his great rival Aristides. As a politician, Themistocles was a populist, having the support of lower class Athenians...

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Theodōrus in Harpers Dictionary of Classical Antiquities (1898)

A philosopher of the Cyrenaic School, usually designated by ancient writers "the Atheist." He resided for some time at Athens; and being banished thence, went to Alexandria, where he entered the service of Ptolemy, son of Lagus....

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Thales in Harpers Dictionary of Classical Antiquities (1898)

(Θαλῆς). An Ionian, the founder of Greek philosophy. He was a contemporary of Solon and Croesus, and one of the Seven Sages, and was born at Miletus about B.C. 636, and died about 546, at the age of ninety, though the exact dates of his birth and death are not known. He is said to have predicted the eclipse of the sun which happened in the reign of...

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Theon of Smyrna in Wikipedia

Theon of Smyrna (fl. 100 CE) was a Greek philosopher and mathematician, whose works were strongly influenced by the Pythagorean school of thought. His surviving On Mathematics Useful for the Understanding of Plato is an introductory survey of Greek mathematics. Life Little is known about the life of Theon of Smyrna. A bust created at his death, an...

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Theophrastus in Wikipedia

Theophrastus (Greek: Θεόφραστος; c. 371 – c. 287 BC[1]), a Greek native of Eresos in Lesbos, was the successor of Aristotle in the Peripatetic school. He came to Athens at a young age, and initially studied in Plato's school. After Plato's death he attached himself to Aristotle. Aristotle bequeathed to Theophrastus his writings, and designated him ...

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Theophrastus in Harpers Dictionary of Classical Antiquities (1898)

(Θεόφραστος). The Greek philosopher. He was a native of Eresus in Lesbos, and studied philosophy at Athens, first under Plato and afterwards under Aristotle. He became the favourite pupil of Aristotle, who named Theophrastus his successor in the presidency of the Lyceum, and in his will bequeathed to him his library and the originals of his own wri...

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Theopompus in Wikipedia

Theopompus (Ancient Greek: Θεόπομπος) was a Greek historian[1] and rhetorician, born on Chios about 380 BC. Biography In early youth he seems to have spent some time at Athens, along with his father, who had been exiled on account of his Laconian sympathies. Here he became a pupil of Isocrates, and rapidly made great progress in rhetoric; we are t...

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Theopompus in Harpers Dictionary of Classical Antiquities (1898)

A Greek historian, born at Chios about B.C. 378. He left home, probably about 361, with his father, who was banished by the democratic party on account of his predilection for the Spartans, and, having been trained in oratory by Isocrates, spoke with great success in all the larger towns of Greece. He distinguished himself so greatly in the rhetori...

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