Donna Kato is one of the best known polymer clay artists, author, teacher and product developer who has worked with polymer clay for many years. Her book, "The Art Of Polymer Clay" (Watson-Guptill) published in 1997, continues to be one of the most popular and respected texts on polymer clay. Wikipedia
The definitive Wikipedia entry for Donna Kato. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Donna_Kato