Nolde couldn't draw people. Maybe that's a good thing because his difficulties with line may have been what led him to concentrate entirely on color.
Nolde's early paintings (above) were influenced by Van Gogh.
Later he shows the influence of Gauguin and the Nabis.
He was even influenced by Matisse. Here (above) he takes what I call the the bold, aggressive quality of color and successfully harnesses it to decoration as Matisse did. The public liked what he was doing and he might have profitably painted this way for years to come, but around this time he seems to have become interested in color for its own sake. He became obsessed with the idea that color had a life of its own which was suffocated by line.
Nolde wasn't the only artist to dream of liberating color. Fauves like Vlaminck and Derain (that's a Derain, above) attempted it but they confined color with line and that had the effect of taming it down.
Kandinsky (above) did the same. Even in his abstract pictures he was usually afraid to remove the lines.
Bonnard got rid of the lines but still didn't liberate the color. He just confined it a different way, in this case by muting it with white. It's as if all the painters I've mentioned wanted to open the cage door to give color its freedom, but once it was on the outside they insisted on walking it on a tight leash.
Not so Nolde. He opened the door and let the tiger escape. He allowed his color, indescribably brutal and mindful of nothing but its own will to live, to leap out and grab the viewer by the jugular.
Look at this landscape (above). The liberated red comes off as a predatory beast roaming the landscape and looking for victims. I don't know about you, but I hear the strident parts of Stravinsky's "Rite of Spring" when I look at it.
Nolde painted almost exclusively in watercolor during the WWII years, and therein lies a story.
According to Wikipedia, Nolde became a passionate Nazi while he was still living in Denmark in the 20s. His work became very well known and even caught the attention of Goebbels who was a fan of Expressionism and who arranged for Nolde to work on an infamous anti-semitic film. It must have seemed to Nolde that he had it made, but fate had something else in store for him.
It turns out that Hitler loathed Expressionism and he gave Nolde pride of place in his Degenerate Art show. Goebbels, being the toady that he was, not only dropped Nolde like a hot potato but claimed to have discovered that the artist had a Jewish ancestor. Nolde was given a rifle and shipped off to the army where he painted watercolors in secret. He was forbidden to work in oils.
So Nolde was not what you'd call a nice guy, and his pictures have a very disturbing, neurotic quality to them. Even so, you have to credit the man with liberating color in a way that nobody else had. It's impossible to imagine DeKooning or Hoffman or many of the Abstract Expressionists or even Mary Blair without reference to Nolde. What can I say? Nature distributes its gifts in ways not understandable by man.