English pediatrician, Dr. Harry Angleman first described Angelman syndrome in 1965 when he observed 3 children who had similar features including unusual happiness, developmental delays and similar facial disorders. He originally called it the “Happy Puppet Syndrome” based in a 17th century Italian painting by Gian Francesco Coroto. In most cases, a gene located on chromosome 15 is generally missing or damaged, in some cases, the individual may have 2 copies of the paternal chromosome 15. It is considered a developmental disability where children and adults will require ongoing services. Click the link below to download the factsheet.
