Crowther was one of the last remaining direct initiates of Gerald Gardner, who founded Wicca in the mid-20th century.

Ms. Crowther, who was called Britain’s oldest witch, wrote books, gave interviews and co-hosted a radio show promoting the Wiccan faith.

“Are you a good witch or a bad witch?” Dorothy was asked from the Wizard of Oz. From Macbeth to the present day, our stories, fables and fairytales have often contained witches, boiling cauldrons, ...