In what year was Walter Johnson inducted into the Baseball Hall of Fame?

In what year was Ty Cobb inducted into the Baseball Hall of Fame? In what year was Babe Ruth inducted into the Baseball Hall of Fame? In what year was Honus Wagner inducted into the Baseball Hall of Fame? In what year was Christy Mathewson inducted into the Baseball Hall of Fame? In what year was Lou Gehrig inducted into the Baseball Hall of Fame? What position did Babe Ruth primarily play? What uniform number did Babe Ruth wear with the Yankees? What position did Lou Gehrig primarily play?