What has been the journey of black hole research from theoretical prediction to observed reality? This book reviews the history of black hole research, detailing how the concept of black holes moved from a mathematical curiosity to a scientifically accepted phenomenon. It explores the contributions of scientists who have shaped our understanding of black holes, the methods used to detect them, and the groundbreaking observations, such as those provided by the Event Horizon Telescope. The narrative discusses the implications of black hole physics for general relativity and quantum mechanics, highlighting how these enigmatic objects challenge existing scientific paradigms. By examining recent discoveries and ongoing studies, the book illustrates the critical role of black holes in the broader context of astrophysics and the search for a unified theory of gravity.