A lecturer in Analytical Pathology at the School of Dentistry, University of Birmingham.
Along with René Zandbergen developed the European Voynich Alphabet in 1998.
The article 'A Well-kept Secret of Mediaeval Science: the Voynich manuscript' could formerly be found at http://www.voynich.nu/extra/aes.html; an abstract can be found here [1].
His page on the University of Birmingham website is [2].
(Links checked September 2016)