Paul N MarshallPaul N. Marshall is a retired university professor and biomedical researcher, BSc and PhD from University of Sheffield. He has published extensively in the fields of histochemistry, biological micro-technique, and cytometry. In recent years his passin has been the life and works of Matthew Henry Barker, and his literary and political engagement during this period of increasing democracy and reform, which took place at a time when Charles Dickens first began to write. Read More Read Less