Additional
Information: Hippias of Elis, fl. 5th century BC. Ancient Greek Sophist thinker and contemporary of Socrates
Hippias Sites:
Hippias Biography Hippias Biography: Constructed from excerpts from various of Plato's dialogues which mention this Sophist. (Hippias) http://www.cnu.edu/academics/phil/carr/HippiBio.htm
Hippias's Quadratrix Hippias's Quadratrix: Some brief notes on Hippias' attempt to square the circle using this curve, "a pictorial representation of the irrationality of pi." (Hippias) http://www.perseus.tufts.edu/GreekScience/Students/Tim/Quadratrix.html
Hippias of Elis Hippias of Elis: Concise scholarly biography of this discoverer of the quadratrix, from the MacTutor History of Mathematics. (Hippias) http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Hippias.html
Hippias Hippias: Wikipedia entry on this ancient polymath, including some material from the 1911 Britannica. (Hippias) http://www.wikipedia.org/wiki/Hippias