Wicca been influenced by other Pagan religions, thus making clear-cut distinctions between them more difficult for religious studies scholars to make. The terms "wizard" and "warlock" are generally discouraged in the community. In Wicca, denominations are referred to as "traditions", while non-Wiccans are often termed "cowans". When the religion first came to public attention, it was commonly called "Witchcraft". For instance, Gerald Gardner—the man regarded as the "Father of Wicca"—referred to it as the "Craft of the Wise", "witchcraft", and "the witch-cult" during the 1950s. There is no evidence that he ever called it "Wicca", although he did refer to the
Church and School of Wicca wife Yvonne was an American with a background in Spiritualism. He then claimed to have been initiated into a Wiccan group in St. Louis, Missouri. When living in St. Louis they developed a correspondence course through which to teach others about Wicca, advertising these courses as the "School of Wicca". They argued that by spreading their religious teaching in the form of a correspondence course, they were reaching a wider range of people than initiatory-based forms of Wicca, and that this would be necessary in order for the religion to become a "strong religious force". They believed strongly that Wicca