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 many fictional works. One of the most notable recent examples is "Harry Potter and the Philosopher's Stone" by J. K. Rowling. Although it and its sequels establish that the magical characters featured know nothing about the non-magical (i.e., "real") world, "Philosopher's Stone" reveals that one major character, Professor Albus Dumbledore is a fan of ten-pin bowling. Since the electronic gaming industry began, ten-pin bowling has been seen in many formats on many big name gaming machines. Mattel's Intellivision game line introduced "PBA Bowling", the first fully electronic bowling game, in 1980. JAMDAT Mobile (now known as EA Mobile), made the