Sonja Knips

Sonja Knips (1898) was Klimt's first major independent portrait commission after establishing himself as a decorative history painter, and it launched his career as Vienna's preeminent portraitist of upper-bourgeois women. Sonja Knips, née Potier des Échelles, was the wife of the Viennese industrialist Anton Knips and moved in the circle of Secession patrons who were commissioning the movement's artists to establish a new visual culture for Vienna. The portrait is a founding document of Klimt's mature portrait style: the figure placed slightly off-centre, the dress dissolving into the background, the face and hands rendered with exceptional precision while the rest of the canvas becomes an atmospheric field. A small red notebook in Sonja's lap — reportedly containing Klimt's poems — adds an intimate, private dimension to the formal commission. The Belvedere's holding of this portrait makes it a touchstone for understanding the emergence of Viennese modernist portraiture as a social and aesthetic institution.

Oil on canvas with a square format that Klimt would later standardise for landscapes. The figure's pink dress is rendered with brushwork that gradually loosens toward the canvas edges, creating an impression of emergence from atmosphere. The precise modelling of the face contrasts with the almost impressionistic treatment of the floral background.