Which author is associated with the themes of self-interest and social class in their writing?

Marcel Proust is well-known for exploring themes of self-interest and social class, particularly in his monumental work "In Search of Lost Time" (also known as "Remembrance of Things Past"). This novel delves deeply into the intricacies of French society during the late 19th and early 20th centuries. Through his characters and their interactions, Proust examines how social class influences personal relationships, ambitions, and the pursuit of art and memory.

The narrative is rich with reflections on how individuals navigate their social worlds, highlighting the tensions between aspiration and reality, as well as the impact of social hierarchies on personal identity. Proust's detailed observations offer profound insights into the human condition, making the themes of self-interest and social class central to understanding his literary contributions.