Career
Howell began his career in 1964 as an assistant lecturer at the University of London. He later was promoted to lecturer in the Latin Department at Bedford College, where he remained until 1985. He moved to the Classics Department of the Royal Holloway and Bedford New College as lecturer from 1985 until 1994, and as senior lecturer from 1994-1999.
Westminster Cathedral Art Committee (1974-1991) Department of Art and Architecture Liturgy Commission, Roman Catholic Bishops" Conference for England and Wales (1977-1984) Churches Committee, English Heritage (1984-1988) Westminster Cathedral Art and Architecture Committee (1993–present) Archdiocese of Westminster Historic Churches Committee (1995-1999) Roman Catholic Historic Churches Committee for Wales and Herefordshire (1995 to present).
