Wikipedia
Numedeon
Numedeon Inc. is a Privately held, Pasadena, California based company that since 1999 has been developing immersive online digital learning technology. Best known for creating the children's educational web site " Whyville", Numedeon has also developed a number of other immersive online learning environments for other demographics and purposes. Numedeon was founded by Dr. James M. Bower and several of his students and colleagues at the California Institute of Technology.