A teacher in one of the more advanced classes of the Sunday school discovered that many of the older pupils knew little about the important facts of our Leader's life: as, for instance, when she discovered Christian Science, under what circumstances, and when she gave the textbook, "Science and Health with Key to the Scriptures," to the world; and the teacher was sometimes asked by a pupil why Mary Baker Eddy is called the Founder as well as the Discoverer of Christian Science.