Retired, formerly Head of the Wales Bibliography Unit, National Library of Wales.

Dr. Walters is a prominent figure in the fields of Welsh literature, history, and culture, with a particular focus on the Welsh culture in the South Wales valleys after the Industrial Revolution. He is internationally recognised for his magisterial two-volume bibliography of Welsh periodicals 1735-1900. He is also an expert on the periodical press, both in Wales and over the Atlantic Ocean. Dr Walters has been an engaged participant in exchanging knowledge with wider society.