The crack of the bat on the radio is ingrained in the American mind as baseball takes center stage each summer. Radio has brought the sounds of baseball into homes for almost one hundred years, helping baseball emerge from the 1919 Black Sox scandal into the glorious World Series of the 1920s. The medium gave fans around the country aural access to the first All-Star Game, Lou Gehrig s farewell speech, and Bobby Thomson s Shot Heard Round the World. Red Barber, Vin Scully, Harry Caray, Ernie Harwell, Bob Uecker, and dozens of other beloved announcers helped cement the love affair between...