&gt; I wrote the majority of the analysis code for one of the chapters of the IPCC 5th Assessment and yet was told my name couldn&#x27;t be put anywhere as I wasn&#x27;t a &#x27;scientist&#x27;.<p>Can you be more specific about the nature of your contributions? Writing code would seem analogous to performing experiments, which alone is insufficient to warrant authorship (but should get an acknowledgment).