anaxagoras

noun

1. 500?–428 b.c., Greek philosopher.

noun

1. ?500–428 bc, Greek philosopher who maintained that all things were composed of minute particles arranged by an eternal intelligence

1. Greek philosopher and astronomer who was the first to explain eclipses correctly. He also stated that all matter was composed of infinitesimally small particles, that the Sun and stars were glowing stones, and that the Moon took its light from the Sun.