Rupert Purchase studied chemistry at the South-East Essex Technical College [Grad. RIC Part II (External), 1967] and the University of York (D.Phil., 1972). He is a Chartered Chemist (CChem), Fellow of the Royal Society of Chemistry (FRSC) and an Honorary Member of the Wilson’s Disease Support Group – UK. Rupert has contributed to the Dictionary of Organic Compounds / The Combined Chemical Dictionary published by CRC Press, Boca Raton, Florida since 1992, and to Litt's Drug Eruption & Reaction Database, also published by CRC Press, since 2019. He was a freelance editor for Science of Synthesis: Houben-Weyl Methods of Molecular Transformations published in 48 volumes by Georg Thieme Verlag, Stuttgart, 2000-2010, and edited (and founded) the Royal Society of Chemistry’s Environmental Chemistry Group (ECG) Bulletin from 1995 to 2013. Rupert was awarded the RSC’s Long Service Award in 2011 and he is currently (2025) a member of the British Association for the Study of the Liver (BASL) Wilson’s Disease Special Interest Group.