Born in Vienna in 1936, David Pryce-Jones is the son of the well-known writer and editor of the Times Literary Supplement Alan Pryce-Jones and Therese "Poppy" Fould-Springer. He grew up in a cosmopolitan mix of industrialists, bankers, soldiers, and playboys on both sides of a family, embodying the fault lines of the title: "not quite Jewish and not quite Christian, not quite Austrian and not quite French or English, not quite heterosexual...