‘Life’s but a walking shadow, a poor player That struts and frets his hour upon the stage And then is heard no more’. – William Shakespeare, Macbeth, Act V, Scene V These are the lines with which Sir Ian McKellen opens his episode of Who Do You Think You Are? As a septuagenarian, looking backwards to discover from whence (and from whom) he came, it is fitting that he should read these particular lines of Macbeth’s. Furthermore, they are …