"Walter Camp was the quintessential gentleman athlete and the father of American football. From his days as an undergraduate at Yale University, he made efforts to codify the rules of football and make it distinct from English rugby. He later created the line of scrimmage, "downs," and the All-America Football Team. Theodore Roosevelt urged him to reform football when players were being killed on the field. Camp popularized strength training and the ideal of the muscular physique for American boys, helping to redefine the ideal man of modern times"--