From 1967 to 1991, Immanuel Jakobovits, Baron Jakobovits (8 February 1921 - 31 October 1999) was Chief Rabbi of the United Hebrew Congregations of the Commonwealth. Before this, he served as Chief Rabbi of Ireland and rabbi of the Fifth Avenue Synagogue in New York City. In addition to his official duties, he was regarded, from a Jewish perspective, as an authority on medical ethics. He was knighted in 1981, and in 1988, as Baron Jakobovits, he became the first Chief Rabbi to enter the House of Lords.