**Answer:**

The correct answer is option 'A', Steve McQueen.

**Explanation:**

Steve McQueen was a famous American actor and part-time race car driver. He is known for his roles in films such as "Bullitt," "The Great Escape," and "Le Mans." McQueen had a deep passion for racing and was an accomplished driver himself.

In 1969, Steve McQueen invented the bucket seat. The bucket seat is a type of racing seat that is designed to provide better support and safety for the driver during high-speed racing. It is called a bucket seat because it resembles a bucket in shape and is molded to fit the contours of the driver's body, providing a snug and secure fit.

The invention of the bucket seat revolutionized the world of racing. Before the bucket seat, most racing cars were equipped with standard seats that did not provide the necessary support and stability for the driver during high-speed maneuvers. The bucket seat, with its molded shape and increased side support, allowed the driver to stay securely in place, reducing the risk of injury and enhancing overall control and performance.

Steve McQueen's invention of the bucket seat had a significant impact on the racing industry. It not only improved the safety and comfort of race car drivers but also influenced the design and construction of seats in other types of vehicles, such as sports cars and high-performance automobiles.

Steve McQueen's contribution to the racing world extends beyond his acting career. His invention of the bucket seat showcases his innovative mindset and his dedication to improving the sport he loved. Today, the bucket seat is a standard feature in most racing cars and has become an integral part of the racing experience.

In conclusion, Steve McQueen, the part-time race car driver and renowned actor, invented the bucket seat in 1969. His invention revolutionized the world of racing, providing drivers with better support, safety, and performance.