FORMER Huddersfield curate the Rev Prof Gordon Dunstan went on to become one of the Church of England's leading moral theologians.

Devon-born Prof Dunstan, who has died aged 86, studied at the College of the Resurrection in Mirfield between 1941 and 1946.

After he left there he held curacies at Huddersfield Parish Church and King Cross, Halifax.

Later he became a Chaplain to the Queen, held an important teaching post as Professor of Moral and Social Theology at King's College, London, and became a much-respected medieval historian.

In the 1960s Prof Dunstan was part of a group appointed by the Archbishop of Canterbury to look at the issue of divorce.

The group's work was influential in subsequent changes to divorce law.

But his most significant work was in the field of medical ethics.

He won the confidence of the leaders of the medical profession and contributed a great deal to the discussions of ethical problems created by the spectacular advances in 20th-century medicine.

Prof Dunstan was also president of the Institute of Medical Ethics.

During the 1960s he was a member of a Government advisory group on transplant policy and from 1989 to 1993 he served on a Health Department committee on the ethics of gene therapy.

From 1990 he was a member of the Unrelated Live Transplant Regulatory Authority. Prof Dunstan was also on the Nuffield Council on Bioethics.

He was also a member of a Foreign and Commonwealth advisory group on arms control and disarmament and of a Home Office committee on animal experiments.

From 1981 to 1993 he served on the council of the Advertising Standards Authority.

He married in 1949, but his wife, Ruby, died before him. He is survived by their two sons and a daughter.