I am a massive fan of Vivian Maier’s work and as the BBC point out, ‘She’s been called ‘the greatest photographer you’ve never heard of’… the mysterious Vivian Maier, a nanny based in Chicago who took about 150,000 photographs in her lifetime and stashed them away, not showing them to anyone. She left thousands not even developed, and most as negatives from which she never made prints. It was sheer accident that her life’s work was discovered. Two years before she died in 2009, Vivian Maier stopped paying the rent on five storage lockers in Chicago. Without her knowledge the contents were sold. At locker sales, you have to stand…