n the 1950s, Jenkins joined the Tyneside Humanists Group, later to become North East Humanists, becoming President at an early stage of his membership. Neil was an active member of the association, making regular contributions to their monthly meetings. In addition to his scientific publications, Neil was joint author, with Alfred Hobson, of the book "Modern Humanism". Neil also gave funeral orations for those who requested non-religious ceremonies, and was an active member of the Friends of Jesmond Dene and the Society for Psychical Research.
Neil died on Sunday October 14, 2007. His humanist funeral was held at West Road Crematorium, Newcastle upon Tyne, on Monday October 29, 2007. It was attended by family, friends, colleagues and members of North East Humanists.
Neil was predeceased by his wife Olive and survived by his children Oliver and Hilbre.