English doctors Create Talk0 Category page This page needs content. You can help by adding a sentence or a photo! Add to this page! Robert Burton “Assessment | Biopsychology | Comparative | Cognitive | Developmental | Language | Individual... John Langdon Down Pages in category "English doctors" The following 2 pages are in this category, out of 2 total. B Robert BurtonD John Langdon Down Retrieved from "http://psychology.wikia.com/wiki/Category:English_doctors"