Anne Sullivan is best known as Helen Keller’s teacher and companion who connected her with the outside world. Miss Sullivan was not only successful in bringing Helen out of darkness and uncertainty, but also was instrumental in making her think and thereby helping her make a connection between the abstract and the physical world.Miss Sullivan and Helen Keller were together for forty-nine years. During this period, Miss Sullivan strived hard to mentor Helen in all possible ways. Whether it was reading books indoors or exploring the world outside, Miss Sullivan was Helen’s constant companion.Although Miss Sullivan followed a strict schedule while teaching Helen, she carefully employed ideas that Helen would willingly accept while learning new things. She spelled each word on Helen’s palm and made her feel everything that Helen wanted to explore and know about. Miss. Sullivan even helped Helen in getting her degree from Radcliffe College despite great difficulties.Miss. Sullivan’s lifelong companionship with Helen Keller is indeed awe-inspiring and helps people understand how a teacher through her perseverance and devotion can miraculously change a student’s life.