Verified Answer :

Nt sure who was the first, but, I got some major ones. 

The major Netherlandish painters include Campin, 
van Eyck, Rogier van der Weyden, Dieric Bouts, Petrus Christus, Hans Memling, Hugo van der Goes and Hieronymus Bosch.

Hope that helped! :)


Answer:

Master of Flemalle

Explanation: