Eratosthenes was born on 276 BC[1] in Cyrene[2]. He died on January 1, 194 BC[3], in Alexandria[4]. He worked as a mathematician[5], astronomer[6], poet[7], librarian[8], and historian[9]. He ranks in the top 0.61% of human entities by monthly Wikipedia readership (21,243 views/month, #6,145 of 1,000,298).[10]
Student of: Ariston of Chios[31], Zeno of Citium[32], Arcesilaus[33], Callimachus[34], Lysanias of Cyrene[35]
Described by source: Small Brockhaus and Efron Encyclopedic Dictionary[36], Brockhaus and Efron Encyclopedic Dictionary[37], Riemann's Music Dictionary[38], Russian translation of Lübker's Antiquity Lexicon[39], Dictionary of African Biography[40], Encyclopædia Britannica 11th edition[41], Desktop Encyclopedic Dictionary[42], Granat Encyclopedic Dictionary[43], The Nuttall Encyclopædia[44], Meyers Konversations-Lexikon, 4th edition (1885–1890)[45], Great Soviet Encyclopedia (1950–1958)[46], Great Soviet Encyclopedia (1926–1947)[47]
Body
Works and Contributions
Things named for Eratosthenes include sieve of him[48], a primality test[49]; Eratosthenes Seamount[50], a seamount[51]; and he[52].
Why It Matters
Eratosthenes has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[53] He is known by 73 alternative names across languages and contexts.[54]
Entities named for him include sieve of him[48], a primality test[49]; Eratosthenes Seamount[50], a seamount[51]; and he[52].
Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.
APA4ort.xyz Knowledge Graph. (2026). Eratosthenes. Retrieved October 17, 2026, from https://4ort.xyz/entity/eratosthenes
Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.
"/* wbsetclaim-update-references:1||1|1 */ Date of death: 194 BCE, source for date of death from Store norske leksikon ([[Wikidata:Requests for permissions/Bot/OKA bot 2|OKA bot task 2]])"
