Diogenes Laërtius was a Greek historian who lived in the 3rd century AD.
Diogenes Laërtius was a Greek historian who lived in the 3rd century AD.
He is known for his work 'Lives, Opinions, and Sayings of the Most Eminent Philosophers', in which he compiled the biography and teachings of numerous Greek philosophers.
Little is known about his personal life, but his contribution to the preservation of ancient philosophical thought is invaluable..