Matthias Brenzinger, Ph.D. (1993), University of Cologne, holds a Mellon Research Chair and is Director of CALDi – Centre for African Language Diversity at the University of Cape Town. His publications are on Nilotic, Cushitic and Non-Bantu Click languages as well as on language endangerment in Africa and globally.Iwona Kraska-Szlenk, Ph.D. (1995), University of Illinois, Dr. Hab. (2008), University of Warsaw, where she teaches linguistics and Swahili. She has published books and articles on Polish, Swahili and general linguistics, including Analogy: The Relation Between Lexicon and Grammar (2007).Contributors are Abinet Sime Gebreyes, Matthias Brenzinger, Elżbieta Górska, Bernd Heine, Joanna Jurewicz, Lidia Khesed, Iwona Kraska-Szlenk, Grigory Kreydlin, Zouheir Maalej, John Newman, Helma Pasch, Nina Pawlak, Svetlana Pereverzeva, Sally Rice, Doris Richter genannt Kemmermann, Tatiana Szczygłowska, Serena Talento, Rebecca Voll, Izabela Will, and Magdalena Zawrotna.