Part of a Series on the Philosophy of History — Today is the 113th anniversary of the birth of Isaiah Berlin (06 June 1909–5 November 1997), who was born on this date in 1909. Berlin focused on the Enlightenment and the romantic reaction against the Enlightenment, writing detailed studies on Vico, Herder, Hamann, Helvétius, Rousseau, Ficthe, Hegel, Saint-Simon, and de…