This book aims to provide an objective and rigorous portrait of Mother Teresa of Calcutta, valuing, beyond the real help they could provide the poor and sick, his attitude toward volunteering and courage, dedication and ability to reach the consciousness of million people. Fascinated by his personality, the author seeks to foster a deeper reflection on the image and the spiritual role of Mother Teresa, while noting some possible conflicting aspects, however, do not detract in any way the enormity and importance of his figure and work