Theodorus of cyrene biography of michael jordan
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Oxford .
4.
There is no doubt that Theodorus would have constructed lines of length √3, √5 etc.
E. M. . λέγε δή μοι· μανθάνεις που παρὰ Θεοδώρου
γεωμετρίας ἄττα. Geom.49(1-2)(1994), 3-35.
However there is little chance to do more than guess at Theodorus's method. Wright . He was born in the northern African colony of Cyrene, and apparently taught both there and in Athens.[1] He complains of old age in the Theaetetus, the dramatic date of 399 BC of which suggests his period of flourishing to have occurred in the mid-5th century.
The Evolution of the Euclidean Elements . Mag. 49 (4) (1976), 201-203. The text also associates him with the sophistProtagoras, with whom he claims to have studied before turning to geometry.[2] A dubious tradition repeated among ancient biographers like Diogenes Laërtius[3] held that Plato later studied with him in Cyrene, Libya.This eminent mathematician Theodorus was, along with Alcibiades and many other of Socrates' companions (many of whom would be associated with the Thirty Tyrants), accused of distributing the mysteries at a symposium, according to Plutarch, who himself was priest of the temple at Delphi.
Work in mathematics
Theodorus' work is known through a sole theorem, which is delivered in the literary context of the Theaetetus and has been argued alternately to be historically accurate or fictional.
The usual proof that √2 is irrational, namely the one which supposes that √2=qp where qp is a rational in its lowest terms and derives a contradiction by showing that p and q are both even, would have been known to Theodorus. E. M. Wright . 1981 . Theodorus, however, did not spend his whole life in Cyrene for he was certainly in Athens at a time when Socrates was alive.
0-486-24073-8 . The only first-hand accounts of him that survive are in three of Plato's dialogues: the Theaetetus, the Sophist, and the Statesman. Sci.
27(101)(1977), 231-236.Hardy .