Stephen Hawking, a renowned theoretical physicist and cosmologist, made groundbreaking contributions to our understanding of black holes and the universe. His discovery of Hawking radiation revolutionized the study of black holes, and his work on the Big Bang theory provided critical insights into the origin of the universe. Hawking's ability to communicate complex scientific ideas through his bestselling book, "A Brief History of Time," and numerous public appearances made him a beloved figure worldwide. Despite his battle with ALS, his resilience and intellectual brilliance continue to inspire.