KunstenaarNorwegiangeb.1878–ov.1946
Søren Onsager
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Søren Onsager was born on 6 October 1878 in Holmestrand, Vestfold, Norway, to a family with roots in the provincial pharmacy trade. His route into painting was not direct: early studies took him first to Italy, then into the orbit of Harriet Backer in Kristiania, who recognised his aptitude and sent him to Kristian Zahrtmann in Copenhagen for a further two years of tuition. From around 1902 he gravitated toward Paris, enrolling at the Académie Colarossi and spending the following years dividing his time between the French capital and Kristiania.
Paris shaped Onsager's sensibility decisively. He absorbed the colour-led approach of the French impressionists - particularly Renoir, Sisley, and Degas - alongside the harder structural lessons of Edvard Munch. The combination produced a painter with strong chromatic instincts and a preference for intimate figure subjects: women at rest, nudes in interior light, figures by the sea. He made his international debut at the Salon des Beaux-Arts in 1908, and the following year exhibited at the Blomquist gallery in Kristiania, where critics quickly positioned him among the leading neo-impressionists of his Norwegian generation.
Over the next three decades Onsager produced a body of work centred on the female figure, often in domestic or studio settings, rendered with loose brushwork and alert attention to the quality of light. Works such as "Atelierinteriør" (1914), the repeated compositions of American women from the late 1920s and 1930s, and the reclining nude studies show a painter who stayed consistently within a defined subject range while developing his handling of paint and colour over time. Several works entered the collection of what is now the Nasjonalmuseet in Oslo, including "Dobbeltakt" (Female Nudes) and "Bathingplace in Son."
Onsager's career was permanently marked by his political choices during the German occupation of Norway. In 1940 he joined Vidkun Quisling's Nasjonal Samling party; in 1941 he was appointed director of the National Gallery in Oslo under the collaborationist administration, and the following year became a member of the Kulturrådet. In his capacity as director he participated in the 1942 exhibition "Art and Non-Art," which stigmatised modernist Norwegian artists under the Nazi concept of degenerate art. After the liberation in 1945 he was removed from all positions and indicted for treason. He died in prison in Oslo on 28 November 1946 before his case came to trial.
At auction, Onsager's work appears almost exclusively at Norwegian houses. Of the 48 items tracked on Auctionist, 45 have sold at Grev Wedels Plass Auksjoner in Oslo, with a handful at Nyborgs Auksjoner and one at Bukowskis Stockholm. Prices reflect steady collector demand for his figure paintings: the top result in the database is 400,000 NOK for "Amerikanerinnen" (1931), followed by 350,000 NOK for "Atelierinteriør" (1914) and 300,000 NOK for another version of the American women composition. Reclining nudes and interior scenes regularly achieve 100,000-260,000 NOK, confirming his position as a mid-tier name in the Norwegian secondary market.