Cocks was educated at Felsted School and Hertford College, Oxford.  After military service in Malaya he became a research student at Oxford, before joining the Natural History Museum in 1962. From 1970 to 1983 he served as a geologist with the Royal Engineers. He has served as president of the Geological Society, Palaeontological Association, Palaeontographical Society and Geologists' Association.
- "Dr Robin Cocks, OBE, TD". Debrett's. Retrieved 15 May 2011.
- "COCKS, Dr Leonard Robert Morrison, (Dr Robin Cocks)". Who's Who 2011. A & C Black, 2011; online edn, Oxford University Press, Dec 2010 ; online edn,. Oct 2010. Retrieved 12 Oct 2011.
- "Lapworth Medal". The Palaeontological Association. Retrieved 12 Oct 2011.
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