“Boswell had been raised in the dour Church of Scotland, where the worst of Scottish weather and Scottish Calvinism met to form a perfect storm of fear and trembling.” And so, while on the Grand Tour, the young man turned to the author of Emile and The Social Contract, who had “succeeded in the redoubtable task of uniting, if only on the subject of Jean-Jacques Rousseau, Catholics and Protestants, monarchic France and republican Geneva.”