Lidia Aceto in Universita` di Pisa.Malcolm Brown in the Computer Science Department here in Cardiff.
Paolo Ghelardoni and Giovanni Gheri at Universita` di Pisa.
Leon Greenberg at the University of Maryland at College Park, sadly deceased in September 2003.
James Hinchcliffe here in Cardiff.
Lucas Jodar of Universitat Politecnica de Valencia.
Cecilia Magherini in Universita` di Pisa.
Sergei Naboko of Saint Petersburg State University.
John Pryce of the Royal Military College of Science, who was my PhD supervisor.
Roman Romanov of Saint Petersburg State University.
Andrei Shkalikov of Moscow State University.
Marcus Wagenhofer of the University of Bremen.