Ten-pin bowling over the Model A), all three versions are still in widespread use. The television age of the 1950s also helped to increase the popularity of ten-pin bowling, as images of the sport began to enter the homes of millions across the United States. Nationally televised programs like "Jackpot Bowling" and "Make That Spare" became popular on Friday nights from the late 1950s into the early 1960s. Following many years of debate over what constituted a professional bowler versus an amateur, Eddie Elias founded the Professional Bowlers Association (PBA) in 1958. The PBA's "Pro Bowlers Tour" became a permanent part of
Ten-pin bowling ago the game wasn't tougher. You could hit the pocket as easily as you do now, but you couldn't knock over the same [number] of pins with a rubber bowling ball. Sport bowling is, for the first time, intentionally trying to make the lanes tough." Petraglia's suggestion to combat high-tech bowling balls is to use heavier pins that are single-voided on the bottom (versus double-voided), making them less top-heavy. Bowling alley proprietors and lane maintenance personnel have also argued that changes in ball technology have made it more difficult to lay out fair and credible conditions for participants. This is