BFI and National Portrait Gallery to mark centenary of the film star’s birth with ‘the summer of Marilyn’ BFI and National Portrait Gallery to mark centenary of the film star’s birth with ‘the summer of Marilyn’ Though often reduced to a sex symbol frozen in time, or a tragic figure at the centre of several scandals, Marilyn Monroe was something far more subversive, according to two exhibitions that will herald what has been nicknamed “the summer of Marilyn”. To mark the centenary of her birth,