"her husband, the Christian scientist"

Christian Science is a denomination of Christianity dating back to 1866. The central texts for Christian Scientists are The Bible alongside a textbook, Science & Health With Key to the Scriptures, written by its founder Mary Baker Eddy. Christian Scientists believe that material reality is an illusion and that healing through prayer is not only possible but preferable to conventional methods. The 'Mother Church' is The First Church of Christ, Scientist, in Boston, Massachusetts.