Acknowledgments



In the textbook business, it has become the rule to thank as many people as at all possible so that, presumably, they will then have their students buy your book. Here, though, the situation is obviously different but, since RBA and now RAF truly owe their very existence to many people, those who might use them ought to know to whom they owe it and the latter ought to know that they are responsible for it. So, here they are:
Without all of you, the world would have been spared this.