for part of his life and while living there adopted "Rhodian" as a surname. http://en.wikipedia.org/wiki/Apollonius_of_Rhodes   276 BC- c. 195 BC Eratosthenes of Cyrene ( Greek Ἐρατοσθένης; c. 276 BC [1] - c. 195 BC [2] ) was a Greek mathematician , poet , athlete , geographer and astronomer . He