Herodotus was an ancient Greek historian known as the "Father of History." He is best known for his work "The Histories," which is considered one of the earliest works of history in Western literature. Herodotus traveled extensively and wrote about the cultures, traditions, and historical events of the ancient world, including the Greco-Persian Wars. His work is valued for its detailed accounts and storytelling style, and he is considered an important figure in the development of historical writing.