Paul cézanne was particularly concerned with

He was a painter

Explanation:

Post-Impressionist French painter Paul Cézanne is best known for his incredibly varied painting style, which greatly influenced 20th century abstract art. He was a French Post-Impressionist painter credited with introducing Modernism with his idiosyncratic style. He is considered as one of the most influential artists in the history of modern painting.

The figure in the landscape and he includes lots of paintings about them.