Anne Baker (PhD in Linguistics, University of York, UK, 1975) is professor of Linguistics at the Universiteit van Amsterdam, The Netherlands. Her specializations are in the fields of Sign Linguistics on the one hand and of Psycholinguistics and Language Pathology on the other. In particular she has published on the first language acquisition of all types of languages, spoken and signed, and on developmental problems in language. With the development of signed languages her work has shed light on the complexity of combinations of modalities. More information on her work can be obtained from her homepage: http://home.medewerker.uva.nl/a.e.baker.