Original sentence: Among the most well-known tenebrist artists are: Caravaggio, who is generally seen as the popularizer of the technique, his Italian and Dutch followers (the Utrecht School), and in particular Francisco Ribalta, Jusepe de Ribera and their Spanish followers
Edited sentence: Among the most well-known tenebrist artists are: Italian and Dutch followers (the Utrecht School) of Caravaggio, Francisco Ribalta, Jusepe de Ribera and their Spanish followers