The Khwe man Kafuro speaks the words of invocating the ancestors during the founding of the tɛ̀ɛ-ǁgàá (i.e. the forked branch at the riutal place) Oswin Köhler was one of the most important German Africanists of the second generation. He headed the Institute of African Studies at the University of Cologne from 1957 until his retirement in 1977. He studied many African languages from the Khoisan, Bantu, Gur and Nilotic language groups or families. His academic legacy is currently kept in the Oswin Köhler Archive at the Institute of African Studies of the Goethe University Frankfurt. Kafuro († 1982) was one of Oswin Köhler's main consultants between 1965 and 1970, and a musician (songs to calabash resonated musical bow). Further information in Köhler, Oswin (1989): Die Welt der Kxoé-Buschleute. Vol. 1: Die Kxoé-Buschleute und ihre ethnische Umgebung, Berlin: Dietrich Reimer, pp. 33-38