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 between members. In addition, affiliated to the BTBA is the Young Adults Club (YAC). University & College tenpin bowling is administered jointly by the British Universities Tenpin Bowling Association and the Tenpin Bowling Sports Advisory Group of BUCS (British Universities & Colleges Sport). Wales, Scotland and Northern Ireland all have their own governing bodies, with similar responsibilities to the BTBA for their respective regions of the UK. In the United States, the governing body of ten-pin bowling is the USBC (United States Bowling Congress). The USBC became the "administering organization" on January 1, 2005, after following separate groups merged: the