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         Theaetetus Of Athens:     more detail
  1. Theaetetus of Athens: An entry from Gale's <i>Science and Its Times</i> by Judson Knight, 2001

81. David M. Johnson
Education and Socrates Daimonion in the Theages and the theaetetus. CAMWS Annual CappsFellow, American School of Classical Studies at athens, 19951996.
http://www.siu.edu/~dfll/classics/Johnson/HTML/CV 2003.htm
David M. Johnson Department of Foreign Languages and Literatures, Mailcode 4521 Southern Illinois University Carbondale Carbondale IL 62901 (618) 536 5571 (phone) mjohnson@siu.edu (618) 453 3253 (FAX) Homepage: http://www.siu.edu/~dfll/classics/Johnson/HTML/dmj.htm revised 12/2003 SPECIAL INTERESTS Socratic literature; Xenophon; Herodotus; Hesiod EDUCATION Ph.D. UNC Chapel Hill, 1996 Dissertation: "A Commentary on Plato's Alcibiades " (directed by Peter M. Smith) Associate Member Regular Member (1994-1995), American School of Classical Studies at Athens M.A. UNC Chapel Hill, 1990 Thesis: "Hesiod's Cosmology" (directed by Edwin L. Brown) B.A. St. John's College, Annapolis, MD and Santa Fe, NM, 1988 TEACHING EXPERIENCE Southern Illinois University Carbondale, Assistant Professor 1999- Southern Illinois UniversityCarbondale, Lecturer, 1998-1999 Illinois State University, Lecturer 1997-1998 Phoenix College, "Distinguished Professor of Classical Studies" ( sic UNC Chapel Hill, Teaching Assistant 1989-1993

82. Index Of Ancient Greek Mathematicians And Astronomers
He was the founder of the Lyceum in athens, also called the peripatetic school becausethe philosophers were thought while walking. theaetetus (4th century BC
http://www.ics.forth.gr/~vsiris/ancient_greeks/classical_period.html
Classical period (5th - 4th century B.C.)
Within this period Athens flourishes under Pericles, the Parthenon is built on the Acropolis, the tragedies of Sophocles, Aeschylus and Euripides are created, the phisolophical schools of Socrates and Plato (known as Academy) are established, and the Lyceum of Athens is founded by Aristotle. In science, the importance of the experimental method is accepted.
Philosophers-Scientists
  • Socrates (Athens, 470-399 B.C.). Died from poison after the state found him guilty for corrupting the youth.
  • Theodorus of Cyrene (4th century B.C.). . Pythagorean. Plato's teacher in mathematics. Shows that the square roots of 3, 5, 6, 7, 8, 10, 11, 12, 13, 15, and 17 are irrational.
  • Archytas of Tarentum (420-350 B.C.). Greek mathematician, astronomer and engineer. Last of the Pythagorians. Plato and Eudoxus was his pupils. Built a series of toys, among them a mechanical pigeon propelled by a steam jet. Developed the theory for the pulley.
  • Plato (Athens, 430-350 B.C.) . Greek philosopher. He was the founder of the Academy (named from the hero Academos owner of the grove where the Academy was built). Believed that mathematics played an important role in education. Disregarded practicality, a belief he passed to his students such as Eucledes. He started a three part trilogy :

83. From Myth To Mind
of Greece, he spent his days in the gymnasiums and colonnades of athens talking philosophy Socratesbegins his argument in both dialogues theaetetus Phaedrus
http://www.wbenjamin.org/nc/nov30.html
Back to schedule of class meetings:
Lecture Notes: From Myth To Mind
From Myth to Mind November 30, 1998 I. On Anaxagoras: A. (b. circa 500 BCE, Clazomenae, Anatolia - d. circa 428, Lampsacus, a Milesian colony on the Propontis. "He was eminent for wealth and noble birth, and furthermore for magnanimity, in that he gave up his patrimony to his relations." [D.L., op.cit., Vol. I, 137]. Anaxagoras moved to Athens in 480 BCE (the first Presocratic philosopher to reside there), bringing Ionian natural philosophy with him. Having been a Persian subject, he is thought to have served in the Persian army. He was nicknamed: "Mind" (nous), and was most notably associated with the Athenian Statesman, Pericles . Around 450 BCE he was prosecuted for atheism and 'impiety', having declared the sun to be "a fiery lump, larger than the Peloponnese" of Hellas. Anaxagoras was forced to leave Athens. B. His Works: Only fragments survive of his first book, the Physics [On Nature] C. Presocratic Influences on Anaxagoras: although his initial influences were Ionian physics (esp.

84. Mathematicians Born In Athens
Mathematicians born in athens. Click on a place on the map to see the mathematician(s)born there. The markers on the left point to athens.
http://www-gap.dcs.st-and.ac.uk/~history/BirthplaceMaps/Athens.html
Mathematicians born in Athens
You can see a map showing only coastlines, rivers, etc or a coloured map showing the present day countries Click on a name below to go to the biography. Antiphon Plato Theaetetus Zenodorus Click on a place on the map to see the mathematician(s) born there. The markers on the left point to Athens
(Its coordinates are: Click HERE for more information about Athens Click HERE to see a map with the names of all the places marked. Birthplace Maps Index Main index Biographies Index
History Topics Index
... Search Form JOC/EFR May 2000

85. Mathematicians Born In Athens
Mathematicians born in athens. Instead there. The markers at the edge ofthe map show the position of athens ( Coordinates are 212, 260 )
http://intranet.woodvillehs.sa.edu.au/pages/resources/maths/History/thns.htm
Mathematicians born in Athens
Instead of the map below, you can see a map showing only coastlines, rivers, etc Click on a name below to go to the biography. Antiphon Plato Theaetetus Zenodorus Click on a place on the map to see the mathematician(s) born there. The markers at the edge of the map show the position of Athens
( Coordinates are:
Birthplace Maps Index

Places Index
Countries Index
Welcome page
... Search Suggestions
JOC/EFR/BS January 1998 The URL of this page is:
http://www-history.mcs.st-andrews.ac.uk/history/BirthplaceMaps/Places/Athens.html

86. Search Results For Influence - Encyclopædia Britannica
corporations, free trade, globalization, and fair trade. , Theaetetusof athens University of St. Andrews, Scotland Short biography of this
http://www.britannica.com/search?query=influence&ct=eb&fuzzy=N&show=10&start=68

87. Title
Archytas of Tarentum, Ca. 430 to 350 BCE. Plato, Ca. 427 to 347 BCE. Theaetetusof athens, Ca. 415 to 369 BCE. Eudoxus of Cnidus, Ca. 410 to 355 BCE. Menaechmus,Ca.
http://www.math.uvic.ca/courses/math415/Math415Web/greece/gmen.html
Important Greek Mathematicians
The following some of the most influencial
mathematicians of Ancient Greek times.
Thales of Miletus
Ca. 625 to 550 BCE Pythagoras of Samos Ca. 572 to 495 BCE Zeno of Elea Ca. 490 to 430 BCE Hippocrates of Chios Ca. 470 to 410 BCE Archytas of Tarentum Ca. 430 to 350 BCE Plato Ca. 427 to 347 BCE Theaetetus of Athens Ca. 415 to 369 BCE Eudoxus of Cnidus Ca. 410 to 355 BCE Menaechmus Ca. 380 to 320 BCE Euclid Ca. 325 to 265 BCE Archimedes of Syracuse Ca. 287 to 212 BCE Eratosthenes Ca. 275 to 200 BCE Apollonius of Perga Ca. 260 to 190 BCE Hipparchus of Rhodes Ca. 190 to 120 BCE Claudius Ptolemy Ca. 86 to 165 AD Diophantus of Alexandria Ca. 200 to 285 AD Hypatia of Alexandria Ca. 370 to 415 AD

88. THEAETETUS By Plato

http://www.geocities.com/Athens/Academy/3963/books/theaetet.htm
360 BC
THEAETETUS
by Plato
translated by Benjamin Jowett PERSONS OF THE DIALOGUE:
  • SOCRATES;
  • THEODORUS;
  • THEAETETUS.
Euclid and Terpsion meet in front of Euclid's house in Megara; they enter the house, and the dialogue is read to them by a servant. [Euclid] Have you only just arrived from the country, Terpsion? [Terpsion] No, I came some time ago: and I have been in the Agora looking for you, and wondering that I could not find you. [Euc.] But I was not in the city. [Terp.] Where then? [Euc.] As I was going down to the harbour, I met Theaetetus-he was being carried up to Athens from the army at Corinth. [Terp.] Was he alive or dead? [Euc.] He was scarcely alive, for he has been badly wounded; but he was suffering even more from the sickness which has broken out in the army. [Terp.] The dysentery, you mean? [Euc.] Yes. [Terp.] Alas! what a loss he will be! [Euc.] Yes, Terpsion, he is a noble fellow; only to-day I heard some people highly praising his behaviour in this very battle. [Terp.] No wonder; I should rather be surprised at hearing anything else of him. But why did he go on, instead of stopping at Megara? [Euc.] He wanted to get home: although I entreated and advised him to remain he would not listen to me; so I set him on his way, and turned back, and then I remembered what Socrates had said of him, and thought how remarkably this, like all his predictions, had been fulfilled. I believe that he had seen him a little before his own death, when Theaetetus was a youth, and he had a memorable conversation with him, which he repeated to me when I came to Athens; he was full of admiration of his genius, and said that he would most certainly be a great man, if he lived.

89. Www.geocities.com/Athens/Olympus/9313/plato/23.txt

http://www.geocities.com/Athens/Olympus/9313/plato/23.txt

90. Zeal.com - United States - New - Library - Sciences - Mathematics - Mathematicia
Contributed by tramage . 8. MacTutor History of Mathematics Theaetetusof athens http//www-groups.mcs.st-and.ac.uk/history/Mathematicians/Th
http://zeal.com/category/preview.jhtml?cid=549013

91. Plato, Suggestions For Study
teachers and by claiming that even the best modern politicians in athens have been Theaetetusends with Socrates going off to answer the charges that have been
http://24.24.31.212/literature/POL-LDS-Suggestions.htm
Plato: Suggestions for further study Links
(in this web): Powers Title Page
subject index

instructor

technical FAQ

Before Socrates
The most useful background for reading Plato comes from Homer , as Lessons 11 through 14 have indicated. Important historical background for Plato's Athens is provided by Thucydides, History of the Peloponnesian War (cir. 431 BC). See also Sven Delille's Peloponnesian War web site. A variety of schools of philosophy flourished before Socrates. See John Burnet's Greek Philosophy Part I: Thales to Plato for general reference on philosophy see also Internet Encyclopedia of Philosophy Socrates Apart from Plato, our chief source of knowledge about Socrates is Xenophon's memoirs of Socrates (Xenophon c. 428- c. 354 BC). Xenophon's treatment of Socrates, unlike Plato's, is non-poetic, as Xenophon was a practical military man and scholar who spent most of his adult life outside Athens. Nonetheless, Xenophon admired Socrates, and his account generally supports and occasionally enlarges the picture of Socrates that we find in Plato. Aristophanes' comedy The Clouds (419 B.C.) presents a satiric send-up of Socrates by one of his contemporaries.

92. TMTh:: THEAETHETUS OF ATHENS
pupil of Theodore of Cyrene, friend of Plato and member of his Academy, Theaetetuswas wounded at the Battle of Corinth and died on his return to athens.
http://www.tmth.edu.gr/en/aet/1/90.html

Home
Ancient Greek Scientists
AGRICULTURALISTS
ARCHITECTS ... PHYSICISTS MATHEMATICIAN THEAETHETUS OF ATHENS (fl. 414 - 367 BC) Life
Son of Euphronius of Sounion, pupil of Theodore of Cyrene, friend of Plato and member of his Academy, Theaetetus was wounded at the Battle of Corinth and died on his return to Athens. Plato dedicated one of his dialogues to him. Theaethetus, worked with Eudoxus and built on his "On means", is considered the father of stereometry. Euclid based Books X and XIII of his Elements on the work of Theaethetus.
Work
His principal works are:
"Incommensurability of the square roots of all non-square simple numbers"
"Cube roots"
"Classification of the squares of incommensurable numbers"
"On the five regular solids": Construction of the 5 regular solids (cube, pyramid, octahedron, dodecahedron and icosahedron) that can be inscribed in a circle.
Contact
the Technology Museum

93. Ethics Of Socrates, Xenophon, And Plato By Sanderson Beck
In one of his books he stated that he did not know whether the gods existed ornot; for this he was expelled from athens, and his books were burned in the
http://www.san.beck.org/EC21-Socrates.html
BECK index
Socrates, Xenophon, and Plato
This chapter is part of the book ANCIENT WISDOM AND FOLLY, which has now been published. For information on ordering click here.
Empedocles
Socrates

Xenophon's Socrates
...
Laws
In the fifth century BC the Pythagorean Empedocles of Acragas wrote two poems, On Nature and Purifications , about the middle of the fifth century BC. He saw the universe as shifting between Love and Strife and composed of the elements of fire, air, water, and earth. With Love comes concord and joy; Aristotle interpreted Love as the cause of good and Strife as the cause of bad. Aristotle also said that he had been a champion of freedom and was averse to all rules. Others said that Empedocles declined the kingship offered to him, because he preferred to live frugally. When a tyrant insisted that all the guests drink wine or have it poured over their heads, Empedocles the next day accused the host and master of revels; this led to their condemnation and execution. Thus began his political career; it was argued that he must have been both wealthy and democratic, because he broke up the assembly of a thousand three years after it was set up. Late in his life the descendants of his enemies opposed his return to Agrigentum; so he went to the Peloponnesus, where he died. Leucippus founded the atom theory of natural philosophy refined by Democritus, who also taught that the cheerful person eager for justice and right actions is strong and free of care, while those who do not care about justice and right find everything joyless and in memory are afraid and reproach themselves. Happiness, said Democritus, is not found in gold or cattle but in the soul. For Democritus the goal of action is tranquillity, which is not the same as pleasure but a state of well-being in which the soul is calm, strong and undisturbed by fear, superstition, and other feelings.

94. Fidelio Article - Plato's Dialogues, The Tragedy Of Athens, And The Complex Doma
Plato s Dialogues, The Tragedy of athens, and The Complex Domain. by Susan Kokinda.Fidelio, Vol. XII,No, 4. Above Parthenon, Acropolis, athens; Inset Plato.
http://www.schillerinstitute.org/fid_02-06/034_plato.html
Home Search About Fidelio ... Join
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Dialogue of Cultures
Plato's Dialogues, The Tragedy of Athens,
and The Complex Domain
by Susan Kokinda
Fidelio, Vol. XII,No, 4 This article is reprinted from the Winter 2003 issue of FIDELIO Magazine. For related articles, scroll down or click here. If society is not based on the commitment to discover and know the complex domain, and hence, to make decisions based on universal principles and a commitment to the Good, it will begin to degenerate, as Plato's Athens did.
Above:
Parthenon, Acropolis, Athens;
Inset: Plato
Plato's dialogues encompass an historical sweep of time, f
rom Athens at its height in 450 B.C to its defeat in the Peloponnesian War, to the death of Socrates in 399 B.C and beyond. That more than half-century witnessed the self-destruction of Athens, as its imperial ambitions brought it into conflict with its neighboring city-states, especially Sparta, thus precipitating the Peloponnesian war in 432. A series of disasterous decisions led to Athens' ultimate defeat in 404. Against this backdrop, Plato sketched the tragedy of Athens, peopling his dialogues with the very political and military leaders, and pseudo-philosophers, who, step-by-step, led Athens to its doom.

95. Human Indexes Of My Books On Mathematics; Te(de) To(do) In Japanese
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