History of the football helmet gridiron until 1939 and were not made mandatory in the National Football League until 1943 As a side note, "the last NFL player to play in a game without a helmet was Dick Plasman an end for the Chicago Bears in 1940." There is a photograph of him without one taken during the 1940 NFL Championship Game in which Chicago defeated the Washington Redskins 73–0. Before the invention of the football helmet, players would often grow their hair long, because they believed it would protect their heads. The man largely credited with inventing the first helmet was George Barclay. In
Chicago Bears over the Pittsburgh Steelers. The teams' first meeting was a victory for the Bears (known as the Staleys at the time) in 1921 in a shutout, 20–0. The Packers claimed their first win over the Bears in 1925, 14–10. The 1924 matchup (which ended in a 3–0 win for Chicago) was notable for featuring the first ever ejection of players in a game in NFL history, as Frank Hanny of the Bears and Walter Voss of the Packers were ejected for punching each other. The rivalry also featured one of the last successful fair catch kicks in 1968, when Bears