David Eric Lothian Johnston KC (born 1961) is a Scottish legal expert, currently Honorary Professor of Law at the University of Edinburgh.
[2] 1985/86 he spent time as visiting scholar at the German institute for legal history in Freiburg.
[2] He was appointed Junior Research Fellow at Christ's College, Cambridge between 1985 and 1989, after which he moved into legal practice, concentrating on public law, in particular, human rights, and commercial law.
From 1993 to 1999 he returned to academia as Regius Professor of Civil Law and Fellow of Christ's College at the University of Cambridge.
[2] He held a visiting professorship at Osaka University Graduate Law School in 2000 and 2000 to 2003 in Paris.