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Browsing named entities in a specific section of A Dictionary of Greek and Roman biography and mythology (ed. William Smith). Search the whole document.

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Conon (*Ko/nwn), of Samos, a mathematician and astronomer, lived in the time of the Ptolemies Philadelphus and Euergetes (B. C. 283-222), and was the friend and probably the teacher of Archimedes, who survived him. None of his works are preserved. His observations are referred to by Ptolemy in his fa/deis a)planw=n, and in the historical notice appended to that work they are said to have been made in Italy (Petav. Uranolog. p. 93), in which country he seems to have been celebrated. (See Virgil's mention of him, Ecl. 3.40.) According to Seneca (Nat. Quaest. 7.3), he made a collection of the observations of solar eclipses preserved by the Egyptians. Apollonius Pergaeus (Conic. lib. iv. praef.) mentions his attempt to demonstrate some propositions concerning the number of points in which two conic sections can cut one another. Conon was the inventor of the curve called the spiral of Archimedes [ARCHIMEDES] ; but he seems to have contented himself with proposing the investigation of its
Conon (*Ko/nwn), of Samos, a mathematician and astronomer, lived in the time of the Ptolemies Philadelphus and Euergetes (B. C. 283-222), and was the friend and probably the teacher of Archimedes, who survived him. None of his works are preserved. His observations are referred to by Ptolemy in his fa/deis a)planw=n, and in the historical notice appended to that work they are said to have been made in Italy (Petav. Uranolog. p. 93), in which country he seems to have been celebrated. (See Virgil's mention of him, Ecl. 3.40.) According to Seneca (Nat. Quaest. 7.3), he made a collection of the observations of solar eclipses preserved by the Egyptians. Apollonius Pergaeus (Conic. lib. iv. praef.) mentions his attempt to demonstrate some propositions concerning the number of points in which two conic sections can cut one another. Conon was the inventor of the curve called the spiral of Archimedes [ARCHIMEDES] ; but he seems to have contented himself with proposing the investigation of its