About the Author

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Guus Extra studied applied linguistics and language development in Nijmegen, Stanford and Berkeley. He is director of Babylon, Centre for Studies of the Multicultural Society, at Tilburg University, The Netherlands and is Professor of Language and Minorities at the same university. He has been involved in studies on second language acquisition and first language maintenance and shift by immigrant minority groups in The Netherlands and abroad. He has published a variety of books and articles on these topics. Kutlay Yağmur studied English as a second language and applied linguistics in Ankara and Sydney. He investigated language attrition and ethnolinguistic vitality of Turkish communities in Australia and Europe, and has published a number of books and articles on this subject. He worked at the Middle East Technical University in Ankara and is presently a senior researcher and lecturer at Babylon, Tilburg University.