Olga's Gallery
Pierre-Auguste Renoir.
Portrait of Georges Riviére.
1877. Oil on canvas. The National Gallery of Art, Washington, DC, USA. More. 
Georges Riviére (1855-1943) writer and critic. A close friend of Renoir, who painted him in his picture Le Moulin de la Galette. Wrote articles to defend Impressionism, after 1920 published books on Renoir, Cezanne and Degas