Aristarchus of Samos: Ancient Proponent of a Sun‑Centered Cosmos Aristarchus of Samos Aristarchus of Samos (c.310–c.230 BC) was an ancient Greek astronomer and mathematician who proposed an early heliocentric model and estimated relative sizes and distances of the S…
Autolycus of Pitane — Hellenistic Astronomer and Mathematician Autolycus of Pitane Autolycus of Pitane (c.360–c.290 BC) was a Greek astronomer, mathematician and geographer. His short treatises on spherical motion and on rising and setting survive and influenced…