<sod>}}'''Hans Walter Kosterlitz''' [[Fellow of the Royal Society|FRS]]<ref name="frs"/>(27 April 1903 &ndash; 26 October 1996) was a [[German Jewish]] <ref>''Anatomy of a Scientific Discovery: The Race to Find the Body's Own Morphine'', by Jeff Goldberg, Skyhorse Publishing, Inc., 13 Dec 2013</ref>  [[Great Britain|British]] biologist, who graduated [[Doctor of Medicine#Equivalent degrees in other countries|Doctor of Medicine (Dr. med)]] in [[Berlin]]. He emigrated to [[Scotland]] in 1934, after the takeover of the [[Nazism|Nazi Party]] in Germany led to [[antisemitic]] legislation that barred him from his job at [[Charity Hospital]] in Berlin.<ref>''Anatomy of a Scientific Discovery: The Race to Find the Body's Own Morphine'', by Jeff Goldberg, Skyhorse Publishing, Inc., 13 Dec 2013</ref>     The affair shocked him and he fled to the UK, and after obtaining work in the UK, he was able to obtain safe-haven for his  mother, brother and his fiance Hannah. He joined the staff of [[Aberdeen University]] in the same year where he later served as professor of [[pharmacology]] and [[chemistry]] from 1968 until 1973 when he became director of the university's drug addiction research unit.<ref>{{Cite journal | last1 = Lees | first1 = G. M. | title = A tribute to the late Hans W. Kosterlitz: Ploughing the lone furrow | doi = 10.1139/cjpp-76-3-244 | journal = Canadian Journal of Physiology and Pharmacology | volume = 76 | issue = 3 | pages = 244–251 | year = 1998 | pmid =  9673787| pmc = }}</ref><ref>{{Cite journal <eod>
<sod>}}'''Hans Walter Kosterlitz''' [[Fellow of the Royal Society|FRS]]<ref name="frs"/>(27 April 1903 &ndash; 26 October 1996) was a [[German Jewish]] <ref>''Anatomy of a Scientific Discovery: The Race to Find the Body's Own Morphine'', by Jeff Goldberg, Skyhorse Publishing, Inc., 13 Dec 2013</ref>  [[Great Britain|British]] biologist.  He is the father of Nobel Prize-winning physicist [[John M. Kosterlitz|John Kosterlitz]].<eod>