Eratosthenes
Greek mathematician, geographer, poet, astronomer, librarian and music theorist
Born 276 BC · died 194 BC
Who was alive at the same time as Eratosthenes?
Born during Eratosthenes’s lifetime: Qin Shi Huang, Hannibal, Plautus, Cato the Elder and Polybius.
Not quite contemporaries: Chanakya died 6 years before Eratosthenes was born, Mencius died 10 years before Eratosthenes was born, Theophrastus died 10 years before Eratosthenes was born and Zhuang Zhou died 9 years before Eratosthenes was born.