EratosthenesEratosthenes1961Queuebrick VideoQueueLWatchedWFavoriteFListsDiscussionWhere to watchCopy short link1961Eratosthenes3m·Animation, DocumentaryDirected by Charles Eames, Ray EamesThe Greek mathematician Eratosthenes estimates the circumference of the earth.DirectorCharles EamesDirectorRay EamesStudioInternational Business Machines (IBM)OverviewDiscussionCastCrewDetailsWhere to watchNo cast listed.