Diogenes Laërtius

Biographical note

Diogenes Laertius (ancient Greek: Διογένης Λαέρτιος, Diogenes Laertios; fl. c. 3rd century) was a biographer of the Greek philosophers. Nothing is known about his life, but his surviving Lives and Opinions of Eminent Philosophers is one of the principal surviving sources for the history of Greek philosophy.