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Euclid, Greek mathematician

(Encyclopedia)Euclid yo͞oˈklĭd [key], fl. 300 b.c., Greek mathematician. Little is known of his life other than the fact that he taught at Alexandria, being associated with the school that grew up there in the l...

Euclid, city, United States

(Encyclopedia)Euclid, city (2020 pop. 49,692), Cuyahoga co., NE Ohio, a suburb adjoining Cleveland, on Lake Erie; settled 1798, inc. 1848. Named for the famous Greek ...

Hero, Greek mathematician

(Encyclopedia)Hero, Greek mathematician: see Heron of Alexandria. ...

Apollonius of Perga

(Encyclopedia)Apollonius of Perga, fl. 247–205 b.c., Greek mathematician of the Alexandrian school. He produced a treatise on conic sections that included, as well as his own work, much of the work of his predece...

Autolycus, Greek astronomer and mathematician

(Encyclopedia)Autolycus ôtŏlˈĭkəs [key], fl. 4th cent. b.c., astronomer and mathematician of Pitane in Aeolis. Of his two extant works, that on the revolving sphere is said to be the oldest completely preserve...

Euclid of Megara

(Encyclopedia)Euclid of Megara mĕgˈərə [key], c.450–c.375 b.c., Greek philosopher, a disciple of Socrates and traditional founder of the Megarian school. He combined the Eleatic doctrine of the unity of being...

Pappus

(Encyclopedia)Pappus păpˈəs [key], fl. c.300, Greek mathematician of Alexandria. He recorded and enlarged on the results of his predecessors, including Euclid and Apollonius of Perga, in his Mathematical Collect...

South Euclid

(Encyclopedia)South Euclid yo͞oˈklĭd [key], city (1990 pop. 23,866), Cuyahoga co., NE Ohio, a suburb of Cleveland; inc. as a city 1940. Mostly residential, it is the site of Notre Dame College. ...

Eudoxus of Cnidus

(Encyclopedia)Eudoxus of Cnidus yo͞odŏkˈsəs, nīˈdəs [key], 408?–355? b.c., Greek astronomer, mathematician, and physician. From the accounts of various ancient writers, he appears to have studied with Plat...

number theory

(Encyclopedia)number theory, branch of mathematics concerned with the properties of the integers (the numbers 0, 1, −1, 2, −2, 3, −3, …). An important area in number theory is the analysis of prime number...