Answer:
Claude Monet
Explanation:
it started in the 1860s when Monet and some artists painted stuff and their paintings featured the absence of idealism. yeah I know the explanation is umph but its definitely Claude Monet. Pierre Renoir and Edgar Degas where two popular impressionist painters and also started the movement but Claude Monet is pretty much the forefront for it.
Music reflects the values and aesthetics of a culture's time. For example, in pop music nowadays, we have FDT (cultural values: acceptance and diversity) and EDM (aesthetic: electronic/ futuristic).