This is why Harold Bloom has to write another massive, massive, massive book about William Shakespeare.. so these two sentances, authored by Harold Bloom, can be in that book, 1) .. ".. 'Macbeth' was William Shakespeare's most autobiographical play...".. and 2) ..".. Macbeth was William Shakespeare's most authentic self-portrait..".. It is so those two sentances can be authored to Harold Bloom that those two sentances need to be in another massive, massive, massive book about Shakespeare, written by Harold Bloom...