47 years ago this week, Pink Floyd’s Dark Side Of The Moon went to number one in the US and stayed on the throne for a record-breaking 741 discontinuous weeks on the Billboard chart.

Now, with 45 million copies sold world-wide of their most acclaimed record and one of the most important and influential rock albums in history, we look closely through our black and white archive photos. Meet David Gilmour, Roger Waters, Richard Wright and Nick Mason (with his collection of expensive vintage cars), but there’s also a snap of the never forgotten Syd Barrett and a casual but priceless photo of the band members just hanging at a park.