Question: Who is a Greek fabulist and story teller credited with a number of fables now collectively known as "Aesop's Fables" that has a widely used index of  the storyteller who lived in ancient Greece between 620 and 560 BC?
Sentence (from "Aesop"): Aesop ( ; Ancient Greek: Αἴσωπος , "Aisōpos "; c. 620 – 564 BCE) was a Greek fabulist and story teller credited with a number of fables now collectively known as "Aesop's Fables".
Relevant evidence: Yes