Diogenes Laertius compiled “Lives of the Eminent Philosophers” sometime early in the 3rd century. Virtually nothing is known about him, but his book enjoyed centuries of esteem as a richly ...

Diogenes likely washed up in Athens in the mid-360s, around the same time as a teenage Aristotle. At this point, Plato was nearly 60 and Antisthenes around 80—if, indeed, he was still alive.

This book, Laertii Diogenis Vitae et sententiae eorum qui in philosophia probati fuerunt (Lives of the philosophers by Diogenes Laertius), was printed in 1475 by Nicholas Jenson (1420-1480) in Venice.

Male scientists have long waxed poetic on the contents of their testes. “Sperm is a drop of brain,” wrote the ancient Greek writer Diogenes Laërtius.

In 345 B.C.E., two men took a trip that changed the way we make sense of the natural world. Their names were Theophrastus and Aristotle, and they were staying on Lesbos, the Greek island where ...

It was, the ancient biographer Diogenes Laertius suggested, less a school than a way of life. And what a way of life it was. Just ask the other Diogenes, the most famous, or infamous, of the ...