Jacob Christiaan Koningsberger (1867-1951). Chairman of the People's Council (1918-19)

Sluiter employs a subtle chiaroscuro, modeling the face with delicate gradations of light and shadow that accentuate the eyes and moustache. The brushwork is smooth and controlled, particularly in the rendering of fabric and the wooden armrest. The plain, dark background eliminates distractions, directing attention to the sitter’s features and the nuanced tonal contrasts characteristic of early‑20th‑century Dutch portraiture.

Created in 1925, the portrait entered the Rijksmuseum’s holdings as part of its effort to document notable Dutch figures of the early twentieth century. Its acquisition reflects the museum’s broader collection strategy of preserving works by Sluiter, whose reputation rested on capturing the likenesses of prominent individuals and scenes of everyday life.

The painting emerges from a period when Dutch society valued formal portraiture as a means of recording civic leadership. Sluiter, known for both aristocratic portraits and genre scenes, applied his established techniques to a political subject, bridging the worlds of high society and public service within a single, restrained visual statement.