Essential Non-Fiction Writers: A Comprehensive Guide Essential Non-Fiction Writers A Comprehensive Guide Based on extensive research of primary sources and biographical materials, here is a comprehensive guide to 22 influential non-fiction writers, including their major works, their importance, their background, and a genuine quote from each author. Ancient Philosophers and Historians 1. Herodotus (c. 484-425 BCE) Works: The Histories (9 books on the Greco-Persian Wars) Importance: Father of History, established narrative historical inquiry and cultural anthropology. Background: Greek historian who traveled extensively and investigated causes/effects of the Greco-Persian Wars to preserve memory and understand cultural differences. "The most hateful grief of all human griefs ...