Greek philosopher who developed an atomistic theory of matter (460-370 BC)

(n.) -- a Greek philosopher who conceived of philosophy as empirical knowledge. He sought to fuse philosophy with science.

Democritus is a lunar impact crater that is located on the northern part of the Moon, just to the north of the Mare Frigoris. Just to the south of Democritus is the lava-flooded Gärtner crater, which forms a bay on the mare. Directly to the north is Arnold crater, another flooded formation.