Euclides of Megara
Links
Euclides
http://www.utm.edu/research/iep/e/euclides.htm
Article from the Internet Encyclopedia of Philosophy, describing this classical thinker's career.
Biography.com: Euclides of Megara
http://search.biography.com/print_record.pl?id=8498
A life in one paragraph.
Life of Euclides
http://classicpersuasion.org/pw/diogenes/dleuclides.htm
From the C.D. Yonge translation of Diogenes Laertius, made available through Peitho's Web.