See Also: Apollonius of Perga(encyclopedia)
Kaskaskia River(encyclopedia)
Apollonius (as used in expressions)(encyclopedia)
Apollonius Dyscolos(encyclopedia)
Apollonius of Rhodes(encyclopedia)

Kaskaskia River (sh) and Apollonius of Perga (sh)


Kaskaskia River (sh)




River, Illinois, U.S. Rising near Urbana, it flows southwest to enter the Mississippi River after a course of 320 mi (515 km).

The village of Kaskaskia, located near the junction of the river with the Mississippi, is near the site of a town founded by Jesuit missionaries in 1703. It was the capital of Illinois Territory (1809) and of the state (1818-20). It was severely damaged by floods several times.


Apollonius of Perga (sh)




born งใ 240 BC, Perga, Anatolia
died งใ 190 BC, Alexandria, Egypt

Mathematician known as "The Great Geometer.

" His Conics was one of the greatest scientific treatises of the ancient world. In it he introduced the terms parabola, ellipse, and hyperbola. Because Conics was fundamental to later advances in optics and astronomy in the Islamic world, a 9th-century Arabic translation survived to fill in for some of the missing Greek original. Generally, his Other writings survive only as titles.