Exploring the intertwined stories of key figures like Norbert Weiner, John Von Newman, and Edward Lorenz, this chapter delves into the development of Complexity Science. It highlights the convergence of fields like anti-aircraft systems, atomic bombs, crystal growth, and weather patterns that led to the emergence of chaos theory and the Game of Life. The narrative transitions to the modern impact of complexity theory on stem cell research and the intersection of art and science in understanding complex systems.