How to write the Acknowledgements section of a research paper

Among all the sections of a typical research paper, the acknowledgements section is the easiest to write—which is probably why most books on writing research papers tend to ignore it. Yet, acknowledgements can be politically tricky. By forgetting to acknowledge those whom you should have acknowledged, you risk offending them; but even those whom you have acknowledged in your paper can take offence at the manner in which this is done.