I didn't find Robert Martin in the long list of acknowledgements in the preface to the second edition. But any such acknowledgement would certainly be to Bob Martin, a savvy Bell Labs executive whose advice was always welcome. He is acknowledged in Aho and Ullman's "Theory of Parsing, Translation, and Compiling", but not in the Dragon Book. I have never seen a Robert Martin book on programming; I probably would have were it written by Bob. Doug