The article sums up the continuous, impressive amount of literature and the many major exhibitions dedicated internationally to Claude’s paintings and drawings within the last fifty years. It lists the discoveries of previously unknown works (c. 55 paintings and 70 drawings), deals with the lasting impact of his art, discusses the gradual shifts of approach, the style of today’s scholarship, the investigation of his beginnings in Rome, patronage, economics, the relationship with fellow artists, and points out desiderata.