Archile Paguem (Tübingen / DE; Buea / CM), Manchang Kingsley (Buea / CM; Bangangte / CM), Pierre Kamtsap (Tübingen / DE), Alfons Renz (Munich / DE), Sabine Schaper (Munich / DE), Gerhard Dobler (Munich / DE; Stuttgart / DE), Deon K. Bakkes (Pretoria / ZA), Lidia Chitimia-Dobler (Munich / DE)