Some path breaking inventions of Stan Ovshinsky that benefitted society will be described. His electrical phase change memories are entering the market, poised to be used in many devices. His optical phase change memories are used in rewritable digital video discs. His pioneering work in thin film electronics led to flexible and light solar panels. His Nickel-metal hydride batteries are the enabling batteries for hybrid and electric vehicles. His new alloys allow safe and efficient transport, storage, and release of hydrogen, satisfying the needs of a future hydrogen economy. His work has opened non-crystalline semiconductors as a new field of material science.