William G. Morgan was born the idea to develop the sport of volleyball. While he was watching tennis. Nets take center field and select a component in the sport of tennis, which he invented. And use of rubber balls, basketball, football. Hit the ball used to interact with each other. The tires of a basketball ball back to lightweight too. Then switch to the basketball ball instead. The ball basketball ball, they are large and too much weight. He made up the ball. 25-27 inches in circumference, and the weight to 8-12 ounces of this sport that gave names Mintonette.