Question: Which student of Plato was a traditional astrologer?
Sentence (from "Luminary (astrology)"): Some early, Pre-Newtonian astronomers to observe and study luminaries include Pythagoras, Aristotle, Claudius Ptolemy, al-Khwarizmi, Nicolaus Copernicus, Tycho Brahe, Galileo Galilei, and Johannes Kepler.
Relevant evidence: Yes