I just was alerted to this thread now. I can’t speak to how Barzun is correctly pronounced in French, but I can say that the way we all say our last name in English (and I think this includes my grandfather) is simply “BAHR-zuhn,” which sounds almost exactly like the first two syllables in the statement “Bars in France are full of smoke.” Not sure if that helps, though, as I think you all are debating the French pronunciation.C. Barzun