Update README.md

Author: douglowe

README.md

@@ -164,3 +164,12 @@ More detail on VOC mapping (particularly on multi-step mapping) can be found on
 
 ## Acknowledgements<a name="Acknowledgements"></a>
 
+Rajash Kumar sharing the diurnal cycle information with me, as well as his IDL code which inspired the first version of this tool.
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+Scott Archer-Nicholls, Alex Archibald, and Gordon McFiggans, for the provision of MACCITY and EDGAR NMVOC mapping schemes.
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+Eric Muller for the provision of the timezone maps provided at [http://efele.net/maps/tz/world/](http://efele.net/maps/tz/world/).
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+Chris Webber and Ying Chen for the mapping of `cbmz_mos_orig` emissions.
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