William G. Morgan the basketball bladder was too light. After testing all of the balls he had available, he had come to the conclusion that his best option was to ask A.G. Spalding & Bros. to make him a ball. A young A.G. Spalding & Bros. equipment designer and master marine cloth tailor, Dale Callaghan, developed and produced the first prototype volleyball. Morgan was very pleased with Spalding & Bros. work. They created Morgan the perfect ball for his sport, which was covered in leather, with the circumference of 25–27 inches. The ball was also the perfect weight for Morgan's sport. The ball
Clement G. Morgan send their children to the Plain School, a segregated school for the town's 33 black children. The school was subsequently shut down. Morgan was one of the original 29 members of the Niagara Movement, a civil rights organization founded by Du Bois in 1905. Du Bois chose him to represent the Massachusetts chapter. Along with Butler R. Wilson, William Monroe Trotter and others, Morgan was critical of Booker T. Washington's accommodationist approach. Morgan was later active in the Boston branch of the National Association for the Advancement of Colored People (NAACP), which was presided over by Wilson. Morgan and Wilson