Democritus was an Ancient Greek pre-Socratic philosopher from Abdera, primarily remembered today for his formulation of an atomic theory of the universe. Democritus wrote extensively on a wide variety
A philosopher, possibly Democritus. Casting of e Villa of the Papyri.
Democritus Among the Abderites by François-André Vincent, 1791
Charles-Antoine Coypel, Cheerful Democritus, 1746.
2020 bust of Democritus presented to the International Atomic Energy Agency by Greece
Diogenes Laërtius was a biographer of the Greek philosophers. Little is definitively known about his life, but his surviving work, Lives and Opinions of Eminent Philosophers, remains a primary source
1688 engraving of Diogenes Laërtius
Dionysiou monastery, codex 90, a 13th-century manuscript containing selections from Herodotus, Plutarch and (shown here) Diogenes Laertius
Title page of an edition in Greek and Latin, 1594
The Italian Renaissance scholar, painter, philosopher, and architect Leon Battista Alberti (1404–1472) modeled his own autobiography on Diogenes Laërtius's Life of Thales.