| Birthdate | 2/22/1874 |
| Death Date | 9/1/1951 |
| Debut Year | 1905 |
| Year of Induction | 1953 |
| Teams | MLB, National League |
| Position | Umpire |
Known as the Father of Baseball Umpires, Bill Klem worked a Major League record 18 World Series and was inducted into the Hall of Fame in 1953.
"Whoever wants to know the heart and mind of America had better learn baseball…"
~Jacques Barzun, 1954
Klem was the first of the modern day umpires. He introduced the inside chest protector.