From the moment they were born, Flo and Kay Lyman were unlike any sisters on planet earth. Thought to be mentally retarded, they were tormented by kids.<br>The story of Flo and Kay, the worlds only female autistic savant twins. Savantism is a rare condition in which sufferers of developmental disorders, often autism, .<br>Like my meme page: <br>Twins Rachel and Jenna discuss the things that make them different. Defying the Label, a season exploring disability, starts 20th July on BBC Three: .