Annie Sullivan was an American teacher best known for her work with Helen Keller, a young girl who was deaf and blind. Born on April 14, 1866, in Massachusetts, Sullivan faced her own challenges, including vision problems. Despite these difficulties, she became a skilled educator and was determined to help Keller communicate with the world. Sullivan began teaching Keller in 1887, using innovative methods to connect with her. Through patience and persistence, she taught Keller the manual alphabet, enabling her to express herself. Their partnership became famous, showcasing the power of education and determination in overcoming obstacles.