BOAC - he explains in the intro that he has no wish to criticise specific individuals and thus changed the names (all of them, I think), selecting pseudonyms from a phone book. There is an apology to those who know the individuals (or, by implication, who think 'I'm sure that isn't my name'), and he concludes 'to those who would have liked to have seen their names in print, I apologize, and refer them respectfully to those who are perhaps glad they did not'.