Final answer:
The first class inducted into the Pro Football Hall of Fame in 1963 had seventeen members, including players, coaches, and contributors.
Step-by-step explanation:
The first class inducted into the Pro Football Hall of Fame consisted of seventeen members. This inaugural class was inducted in 1963, marking the beginning of a tradition in honoring exceptional players, coaches, and contributors in professional American football. Among these seventeen inductees, there were eleven players, four coaches, and two other contributors who had made significant contributions to the game.