<p>John Timpson, Chairman of the eponymous British high street chain, knows a thing or two about running a successful business. Over many years he revolutionised how his firm worked, developing his philosophy of upside-down management, and has reaped the rewards ? the Timpson group (which includes the Snappy Snaps and Max Spielmann chains).<br><br>Timpson, whose weekly Daily Telegraph column and regular media appearances have made him a well-know...