In Interior with man at desk, we see a man seated at a wooden desk, surrounded by books and papers. The colors are warm and earthy, with browns and deep greens dominating the palette. Light filters through a window, casting soft shadows across the room.

The setting conveys a sense of quiet contemplation and focus. The painting showcases Keller's attention to detail, particularly in the textures of the furniture and the arrangement of objects on the desk. The brushwork is precise, highlighting the realism of the scene. The composition is balanced, drawing the viewer's eye to the figure at the desk.

This work exemplifies the Realism style, capturing everyday life with authenticity. Ferdinand Keller was a German painter known for his genre scenes that reflect everyday life. This work, created in the 1880s, is a fine example of his ability to depict intimate moments. Interestingly, Keller often focused on interiors, showcasing the lives of ordinary people.

His works contribute to our understanding of 19th-century life and culture.