Eratosthenes
From Citizendium, the Citizens' Compendium
Eratosthenes (ca. 276 B.C.–ca. 195 B.C.) was a Greek mathematician and astronomer. He is best known today for his calculation of the circumference of the Earth.
Eratosthenes (ca. 276 B.C.–ca. 195 B.C.) was a Greek mathematician and astronomer. He is best known today for his calculation of the circumference of the Earth.