image shows Dr. Samuel Johnson (1709-84) attacking Alexander Boswell, Lord Auchinleck (1707-82) with books inscribed 'liturgy', Auchinleck drops two books, 'Calvin' and 'Whiggism'; James Boswell (1740-95) stands in the doorway biting his thumbs and drops his journal; James Boswell wrote 'The Life of Samuel Johnson'; image is one in a series of pictures about Boswell and Johnson's journey to Scotland;