added more info on Valentin's lecture, added readings

README.md

@@ -226,7 +226,11 @@ Browse through the NESH guidelines, available in both Norwegian: https://www.for
  
 0900-1100   Astrid Rasch
 
-1115-1200   Valentin Munowi M Luntumbe 
+1115-1200   Valentin Munowi M Luntumbe: What is to be done about African Studies?
+
+*Essential reading:*
+
+Mudimbe, V.Y. (1988) The invention of Africa. Gnosis, philosophy, and the order of Knowledge. Bloomington and Indianopolis: Indiana University Press. pp. 14-37. ([here](https://learn.kultwiki.net/thomas/TOS/src/branch/main/Readings/Day%205+6:%20Critical%20perspectives/Mudimbe.pdf))
 
 1300-1500	Thomas Berker: The many uses of science: interdisciplinarity, innovation and sustainability