1. Thales Of Miletus Comprehensive studies on of everything Canaanite Phoenicians in Lebanon, Israel, Syria, world. http://phoenicia.org/thales.html

A Bequest Unearthed Phoenicia Encyclopedia Phoeniciana Thales of Miletus Visit other 1,000 pages on the Phoenicians Search Phoenicia Get a Search Eine For Your Site TRANSLATE this page Thales of Miletus Born c 624 BC and died c. 547 in Asia minor. He was the son of Examyes and Cleobuline, distinguished Phoenicians. Thales was the first known philosopher, scientist and mathematician although his occupation was that of an engineer. He is believed to have been the teacher of Anaximander (611 BC - 545 BC) and he was the first natural philosopher in the Milesian School. However, none of his writing survives so it is difficult to determine his views or to be certain about his mathematical discoveries. Indeed it is unclear whether he wrote any works at all and if he did they were certainly lost by the time of Aristotle who did not have access to any writings of Thales. On the other hand there are claims that he wrote a book on navigation but these are based on little evidence. In the book on navigation it is suggested that he used the constellation Ursa Minor, which he defined, as an important feature in his navigation techniques. Even if the book is fictitious, it is quite probable that Thales did indeed define the constellation Ursa Minor. Proclus, the last major Greek philosopher, who lived around 450 AD, wrote:-

2. Thales 1995 paper by Kathleen Norton, focusing on the geometrical theorems of Thales. http://www.perseus.tufts.edu/GreekScience/Students/Kathleen/thales.html

Please note: These papers were prepared for the Greek Science course taught at Tufts University by Prof. Gregory Crane in the spring of 1995. The Perseus Project does not and has not edited these student papers. We assume no responsibility over the content of these papers: we present them as is as a part of the course, not as documents in the Perseus Digital Library . We do not have contact information for the authors. Please keep that in mind while reading these papers. Thales of Miletus c.585 B.C.E. Kathleen Norton April 15, 1995 Look at the comments on this paper. Thales of Miletus was a statesman, engineer, astronomer, mathematician and a philosopher. Such activity in varied fields was not uncommon among academics in ancient Greece. However, according to Plutarch, "Thales was the only wise man of the time who carried his speculations beyond the realm of the practical ( Solon 3.4)." Because Thales did not always seek answers to practical questions, he was seen by some people as " wise but not prudent. " One tale by Plato describes Thales falling into a well because he was too busy examining the stars above.

3. Thales Of Miletus Illustrated article by Don Allen with an emphasis on Thales geometrical achievements. http://www.math.tamu.edu/~don.allen/history/thales2/thales2.html

Next: About this document Thales of Miletus Little is known of Thales. He was born about 624 BC in Miletus, Asia Minor (now Turkey) and died about 546 BC in Miletos, Turkey The bust shown above is in the Capitoline Museum in Rome but is not contemporary with Thales. Thales of Miletus Some impression and highlights of his life and work follow: Thales of Miletus was the first known Greek philosopher, scientist and mathematician. Some consider him to be the teacher of of Pythagoras, though it may be only that he advised Pythagoras to travel to Egypt and Chaldea. From Eudemus of Rhodes (fl ca. 320 B.C) we know that he studied in Egypt and brought these teachings to Greece. He is unanimously ascribed the introduction of mathematical and astronomical sciences into Greece. He is unanimously regarded as having been unusally cleverby general agreement the first of the Seven Wise Men, a pupil of the Egyptians and the Chaldeans. None of his writing survives; this makes it is difficult to determine his philosophy and to be certain about his mathematical discoveries. There is, of course, the story of his successful speculation in oil presses as testament to his practical business acumen.

4. Thales Biography of thales of miletus (624BC547BC) thales of miletus was the son of Examyes and Cleobuline. His parents are said by some to be from Miletus http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Thales.html

Thales of Miletus Born: about 624 BC in Miletus, Asia Minor (now Turkey) Died: about 547 BC in Miletus, Asia Minor (now Turkey) Click the picture above to see five larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Version for printing Thales of Miletus was the son of Examyes and Cleobuline. His parents are said by some to be from Miletus but others report that they were Phoenicians. J Longrigg writes in [1]:- But the majority opinion considered him a true Milesian by descent, and of a distinguished family. Thales seems to be the first known Greek philosopher, scientist and mathematician although his occupation was that of an engineer. He is believed to have been the teacher of Anaximander (611 BC - 545 BC) and he was the first natural philosopher in the Milesian School. However, none of his writing survives so it is difficult to determine his views or to be certain about his mathematical discoveries. Indeed it is unclear whether he wrote any works at all and if he did they were certainly lost by the time of Aristotle who did not have access to any writings of Thales. On the other hand there are claims that he wrote a book on navigation but these are based on little evidence. In the book on navigation it is suggested that he used the constellation Ursa Minor, which he defined, as an important feature in his navigation techniques. Even if the book is fictitious, it is quite probable that Thales did indeed define the constellation Ursa Minor.

5. Thales Article by J.J. O'Connor and E.F. Robertson, from the MacTutor History of Mathematics archive. A discussion of the life and teachings of this thinker, with links to related articles. http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Thales.html

Thales of Miletus Born: about 624 BC in Miletus, Asia Minor (now Turkey) Died: about 547 BC in Miletus, Asia Minor (now Turkey) Click the picture above to see five larger pictures Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Version for printing Thales of Miletus was the son of Examyes and Cleobuline. His parents are said by some to be from Miletus but others report that they were Phoenicians. J Longrigg writes in [1]:- But the majority opinion considered him a true Milesian by descent, and of a distinguished family. Thales seems to be the first known Greek philosopher, scientist and mathematician although his occupation was that of an engineer. He is believed to have been the teacher of Anaximander (611 BC - 545 BC) and he was the first natural philosopher in the Milesian School. However, none of his writing survives so it is difficult to determine his views or to be certain about his mathematical discoveries. Indeed it is unclear whether he wrote any works at all and if he did they were certainly lost by the time of Aristotle who did not have access to any writings of Thales. On the other hand there are claims that he wrote a book on navigation but these are based on little evidence. In the book on navigation it is suggested that he used the constellation Ursa Minor, which he defined, as an important feature in his navigation techniques. Even if the book is fictitious, it is quite probable that Thales did indeed define the constellation Ursa Minor.

6. Thales Of Miletus [Internet Encyclopedia Of Philosophy] thales of miletus (62?546) There is considerable agreement that Thales was born in Miletus in Greek Ionia in the mid 620s BCE and died in about http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

7. Poster Of Thales thales of miletus. lived from about 624 BC to about 547 BC. thales of miletus was the first known Greek philosopher, scientist and mathematician. http://www-groups.dcs.st-and.ac.uk/~history/Posters2/Thales.html

Thales of Miletus lived from about 624 BC to about 547 BC Thales of Miletus was the first known Greek philosopher, scientist and mathematician. He is credited with five theorems of elementary geometry. Find out more at http://www-history.mcs.st-andrews.ac.uk/history/ Mathematicians/Thales.html

8. Thales Of Miletus [Internet Encyclopedia Of Philosophy] Lengthy article by Patricia O'Grady, in the Internet Encyclopedia of Philosophy. Discusses his life, teachings and impact. http://www.utm.edu/research/iep/t/thales.htm

Thales of Miletus (62?-546) Table of Contents (Clicking on the links below will take you to those parts of this article) 1. The Writings of Thales 2. Possible Sources for Aristotle 3. Thales says Water is the Primary Principle 4. Thales and Mythology ... 17. Abbreviations 1. The Writings of Thales Doubts have always existed about whether Thales wrote anything, but a number of ancient reports credit him with writings. Simplicius (Diels, Dox. p. 475) specifically attributed to Thales authorship of the so-called Nautical Star-guide. Diogenes Laertius raised doubts about authenticity, but wrote that 'according to others [Thales] wrote nothing but two treatises, one On the Solstice and one On the Equinox ' (D.L. I.23). Lobon of Argus asserted that the writings of Thales amounted to two hundred lines (D.L. I.34), and Plutarch associated Thales with opinions and accounts expressed in verse (Plutarch, De Pyth. or. 18. 402 E). Hesychius, recorded that '[Thales] wrote on celestial matters in epic verse, on the equinox, and much else' (DK, 11A2). Callimachus credited Thales with the sage advice that navigators should navigate by Ursa Minor (D.L. I.23), advice which may have been in writing. Diogenes mentions a poet, Choerilus, who declared that '[Thales] was the first to maintain the immortality of the soul' (D.L. I.24), and in

9. Anaximenes [Internet Encyclopedia Of Philosophy] the third Greek philosopher in canonical lists of successions, and like his predecessors Thales and Anaximander, an inhabitant of Miletus. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

10. Thales Of Miletus [Internet Encyclopedia Of Philosophy] There is considerable agreement that Thales was born in Miletus in Greek Ionia in Such men were thales of miletus, Pittacus of Mitylene, Bias of Priene, http://www.iep.utm.edu/t/thales.htm

Thales of Miletus (62?-546) Table of Contents (Clicking on the links below will take you to those parts of this article) 1. The Writings of Thales 2. Possible Sources for Aristotle 3. Thales says Water is the Primary Principle 4. Thales and Mythology ... 17. Abbreviations 1. The Writings of Thales Doubts have always existed about whether Thales wrote anything, but a number of ancient reports credit him with writings. Simplicius (Diels, Dox. p. 475) specifically attributed to Thales authorship of the so-called Nautical Star-guide. Diogenes Laertius raised doubts about authenticity, but wrote that 'according to others [Thales] wrote nothing but two treatises, one On the Solstice and one On the Equinox ' (D.L. I.23). Lobon of Argus asserted that the writings of Thales amounted to two hundred lines (D.L. I.34), and Plutarch associated Thales with opinions and accounts expressed in verse (Plutarch, De Pyth. or. 18. 402 E). Hesychius, recorded that '[Thales] wrote on celestial matters in epic verse, on the equinox, and much else' (DK, 11A2). Callimachus credited Thales with the sage advice that navigators should navigate by Ursa Minor (D.L. I.23), advice which may have been in writing. Diogenes mentions a poet, Choerilus, who declared that '[Thales] was the first to maintain the immortality of the soul' (D.L. I.24), and in

11. Thales Of Miletus thales of miletus Next About this document thales of miletus. Little is known of Thales. He was born about 624 BC in Miletus, Asia Minor (now http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

12. Thales Of Miletus Article on this Milesian thinker by Giannis Stamatellos. Includes a graphic schematic of his thought, selected fragments, and bibliography. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

13. Thales Biography of thales of miletus (624BC547BC) http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

14. TMTh THALES OF MILETUS Life One of the Seven Sages of Ancient Greece, and chronologically the first of the Greek philosophers, thales of miletus is considered the http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

15. Foundations Of Greek Geometry The birth of Greek astronomy has been attributed to thales of miletus. Thales brought from Egypt a number of fundamental geometric principles. http://www.perseus.tufts.edu/GreekScience/Students/Mike/geometry.html

Please note: These papers were prepared for the Greek Science course taught at Tufts University by Prof. Gregory Crane in the spring of 1995. The Perseus Project does not and has not edited these student papers. We assume no responsibility over the content of these papers: we present them as is as a part of the course, not as documents in the Perseus Digital Library . We do not have contact information for the authors. Please keep that in mind while reading these papers. Foundations of Greek Geometry Michael Tirabassi Look at the comments on this paper. Introduction The birth of Greek astronomy has been attributed to Thales of Miletus. Thales brought from Egypt a number of fundamental geometric principles. He was able to take what he learned, develop upon it, and put it to practical use for the Greeks. Another important contributor to the foundation of Greek geometry was Pythagoras. Pythagoras is credited with the discovery of the famous Pythagorean theorem which equates the sides of a right triangle. Pythagoras and his followers, the Pythagoreans, developed and proved a few significant theorems and may have discovered the existence of irrational numbers. Plato also played a crucial role in laying out the beginnings of Greek geometry. His main contribution was not the in the content of his discoveries, but in his contribution to the philosophy of mathematics. Thales Thales, an Ionian who was active near the start of the sixth century B.C.,(Herodotis I, 74) has been credited with completing a number of tasks that imply he must have had a basic knowledge of the underlying geometric theorems. Thales was able to determine the height of a pyramid by measuring the length of its shadow at a particular time of day (Heath pp. 128-139). He may have been able to do this in a couple ways. The simplest way would be to measure the shadow of the pyramid at the time of day when an objects shadow was the same length as the height of the object. Thales may have been able to observe that at a certain position of the sun an objects height is equal to the

16. Thales Of Miletus thales of miletus Born c 624 BC and died c. 547 in Asia minor. He was the son of Examyes and Cleobuline, distinguished Phoenicians. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

17. Thales Of Miletus (634-546 BC) -- From Eric Weisstein's World Of Scientific Biog Short article on Thales, emphasizing his mathematical and scientific achievements. Includes link to an article on Thales Theorem. http://scienceworld.wolfram.com/biography/Thales.html

Branch of Science Astronomers Branch of Science Mathematicians ... Greek Thales of Miletus (634-546 BC) Greek philosopher who is considered the founder of Greek science, mathematics, and philosophy. He visited Egypt and probably Babylon, bringing back knowledge of astronomy and geometry. He invented deductive mathematics. To him is attributed Thales' theorem Proclus attributed the following additional mathematical theorems to Thales (Boyer 1968, pp. 50-51): (1) a circle is bisected by a diameter (2) the base angles of an isosceles triangle are equal, (3) pairs of vertical angles formed by two intersecting lines are equal, and (4) the ASA theorem for triangles According to Herodotus, Thales predicted the year of the May 28, 585 BC solar eclipse confirming his access to Babylonian records. Thales believed the Earth to be a flat disk floating on an infinite ocean, and established the Ionian (Milesian) school of Greek astronomy. Thales considered water to be the "first principle" ("arche") of nature. In his theories, Thales "naturalized" supernatural explanations, marking the beginning of scientific methodology. However, his teachings emphasized philosophical speculation over practical applications of science. It is therefore fitting that a legend tells of his falling into a well while pondering the heavens. A passing peasant is said to have fished him out with the comment "here is a man who would study the stars and cannot see what lies at his feet."

18. Thales Passages relating to Thales in Plato and Aristotle Page 2 Plato, De Legg. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

19. Thales - Wikipedia, The Free Encyclopedia External links. thales of miletus from The Internet Encyclopedia of Philosophy thales of miletus from the MacTutor History of Mathematics archive http://en.wikipedia.org/wiki/Thales

Wikimedia needs your help in the final days of its fund drive. See our fundraising page The Red Cross and other charities also need your help. Thales From Wikipedia, the free encyclopedia. For the French electronics and defence contractor, see Thales Group Thales (in Greek of Miletus (ca. 635 BC 543 BC ), also known as Thales the Milesian , was a pre-Socratic Greek philosopher and one of the Seven Sages of Greece . Many regard him as the first philosopher in the Greek tradition as well as the father of science Contents Life Theories and influence Sources See also ... edit Life Thales lived in the city of Miletus , in Ionia , now western Turkey . According to Herodotus , he was of Phoenician descent. It was said that Thales has no children but adopted his nephew as his son. The well-traveled Ionians had many dealings with Egypt and Babylon , and Thales may have studied in Egypt as a young man. In any event, Thales almost certainly had exposure to Egyptian mythology astronomy , and mathematics , as well as to other traditions alien to the Homeric traditions of Greece. Perhaps because of this his inquiries into the nature of things took him beyond traditional mythology. Several anecdotes suggest that Thales was not solely a thinker; he was involved in business and politics. One story recounts that he bought all the

20. Eric Weisstein's World Of Scientific Biography Short article on Thales, emphasizing his mathematical and scientific achievements. Includes link to an article on Thales' Theorem. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

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