Percy Shaw was an English inventor born in 1890, best known for creating the reflective road stud, commonly known as the "cat's eye." This invention, developed in 1933, significantly improved road safety by enhancing visibility for drivers at night and during poor weather conditions. The cat's eye consists of a pair of glass spheres set in a rubber casing, reflecting headlights and guiding vehicles along the road. Shaw's innovation gained widespread recognition and was adopted globally, leading to the establishment of his company, Shaw's Road Safety. He received several awards for his contributions to road safety and continued to innovate until his death in 1976. His work has had a lasting impact on road design and safety measures.