Birthday Greetings -- Helen Keller, world famous for her aid to physically handicapped despite her own blindness and deafness, rehearses cake cutting ceremony in preparation for celebration of her 75th birthday anniversary today. Guiding her hands is Miss Polly Thomson, Miss Kelly's companion for the last 40 years. The cake is a gift of the American foundation for the Blind and the American Foundation for the Overseas Blind. June 27, 1955. (Photo by AP Wirephoto).