which he retired as emeritus professor in 1994. His research at Dundee and Stirling has involved X-ray crystallographic studies of nucleic acid components and their analogues, and structural studies of flexuous viruses. He was awarded an Honorary Fellowship by the University of Wales, Bangor in 2005. In 1975 he was elected a Fellow of the Royal Society of Edinburgh.

As a Welshman Herbert was honoured in 2003 at the