Portrait of the Physicist Hermann von Helmholtz, Ludwig Knaus, 1881
Object Type: painting. Genre: portrait. Date: 1881. Dimensions: height: 120 cm (47.2 in) ; width: 85 cm (33.4 in). Medium: oil on panel. Collection: Alte Nationalgalerie. Ludwig Knaus - Der Physiker Hermann von Helmholtz (1881)