The Wonderful World of Simulation is a composite of the past, current and future of simulation as seen through the lens of the author. This writing presents a documented track of the past, which identifies many of the early pioneers of simulation, along with fascinating examples of early and contemporary simulators. With fifty years of simulation experience including research, acquisition and support, the author injects his personal experiences in the field he has helped to shape. Okraski's background in government, industry and academia enable him to offer the reader an excellent perspective of simulation as it has evolved and an informed opinion on where it is going. His primary motive for this work is to attract promising young talent to an exciting and rewarding career in simulation.