81. AUTOLYCUS autolycus. recognize with certainty to be autographs, we must descendto the Ptolemaic and Roman periods of Egyptian history, which http://52.1911encyclopedia.org/A/AU/AUTOLYCUS.htm&e=747

82. Autolycus autolycus, , fl. 4th cent. , astronomer and mathematician of Pitanein Aeolis. Of his two extant works, that on the revolving sphere http://www.slider.com/Enc/A/Aus/Autolycu.htm&e=747

83. Euclid EUCLID ( 325 BC 265 BC) Euclid of Alexandria is the most prominent mathematician of antiquity best known for his treatise on mathematics The Elements. quite similar to On the Moving Sphere, by http://www.crystalinks.com/euclid.html

EUCLID (325 BC- 265 BC) Euclid of Alexandria is the most prominent mathematician of antiquity best known for his treatise on mathematics The Elements . The long lasting nature of The Elements must make Euclid the leading mathematics teacher of all time. For his work in the field, he is known as the father of geometry and is considered one of the great Greek mathematicians. Very little is known about the life of Euclid. Both the dates and places of his birth and death are unknown. It is believed that he was educated at Plato's academy in Athens and stayed there until he was invited by Ptolemy I to teach at his newly founded university in Alexandria. There, Euclid founded the school of mathematics and remained there for the rest of his life. As a teacher, he was probably one of the mentors to Archimedes Little is known of Euclid's life except that he taught at Alexandria in Egypt. According to Proclus (410-485 A.D.) in his Commentary on the First Book of Euclid's Elements , Euclid came after the first pupils of Plato and lived during the reign of Ptolemy I (306-283 B.C.). Pappus of Alexandria (fl. c. 320 A.D.) in his Collection states that Apollonius of Perga (262-190 B.C.) studied for a long while in that city under the pupils of Euclid. Thus it is generally accepted that Euclid flourished at Alexandria in around 300 B.C. and established a mathematical school there. Proclus also says that Euclid "belonged to the persuasion of Plato,'' but there exists some doubt as to whether Euclid could truly be called a Platonist. During the middle ages, Euclid was often identified as Euclid of Megara, due to a confusion with the Socratic philosopher of around 400 B.C.

84. Title The summary for this Chinese (Simplified) page contains characters that cannot be correctly displayed in this language/character set. http://www.csxyzx.com/zf/zfweb/Sxmj/HJLD.htm&e=747

85. UCL/FLTR - des traités de la Sphère en mouvement et des levers et couchers. 1950. http://zeus.fltr.ucl.ac.be/recherche/publications/pub_histphil.html&e=747

86. Scriptorium des traités de la Sphère en mouvement et des Levers et Couchers (par KA http://scriptorium.kbr.be/nl/1952articles.htm&e=747

87. Catalogue 23 Patristic Studies de la sphère en mouvement et Des levers et couchers, par Joseph Mogenet http://www.antiquariaten.com/rashi/catalogs/cat000001165.htm&e=747

88. AUTOMATIC WRITING AUTOMATIC WRITING. The opportunities afforded by automatic writingfor communicating with subconscious strata of the personality http://54.1911encyclopedia.org/A/AU/AUTOMATIC_WRITING.htm&e=747

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