His name is Autolycus of Pitane.
ptolemy
Hipparchus, also spelled Hipparchos (b. , Nicaea, Bithynia [now Iznik, Turkey]-d. after 127 bc , Rhodes?), Greek astronomer and mathematician who made fundamental contributions to the advancement of...
they studied the heavenly bodies,mapped the stars,the planets,and the phases of the moon.
Benjamin Banneker