In philosophy and metaphysics, materialism is a form of monism holding that matter is the fundamental substance of nature, so that all things, including mind and consciousness, arise from material int
Leucippus (4th century BC), father of atomism and teacher of Democritus. Painting by Luca Giordano, c. 1653.
De rerum natura manuscript, copied by an Augustinian friar for Pope Sixtus IV, c. 1483, after the discovery of an early manuscript in 1417 by the humanist and papal secretary Poggio Bracciolini