Yuval Noah Harari, born in 1976, is an Israeli medievalist, military historian, public intellectual, and popular science writer. He currently serves as a professor in the Department of History at the Hebrew University of Jerusalem. His first bestselling book, Sapiens: A Brief History of Humankind (2011), is based on his lectures to an undergraduate world history class. His other works include the bestsellers Homo Deus: A Brief History of Tomorrow (2016), 21 Lessons for the 21st Century (2018), and Nexus: A Brief History of Information Networks from the Stone Age to AI (2024). His published work examines themes of free will, consciousness, intelligence, happiness, suffering and the role of storytelling in human evolution.