Eisner’s Motif series of views of the Dyrehaven forest park close to Copenhagen constitutes a central part of his creative work. 
It is predominantly the portrayals of strollers on the endless paths running through the spacious area which he dedicated himself to, constantly creating new variations.  

From 1943 onwards, numerous each of these motifs render an Impressionist depiction of transformation in nature, as the seasons change.  

The artist’s composition techniques alternate between the fluent, almost sketchy application of colour with thinned oil paints and a paste-like, relief like flow, deliberately trying to reveal the artistic facture.

The painting “Autumn Day in Dyrehaven” can be considered as a masterpiece of the series described as “path pictures”. 
Its composition and artistic execution represent one of the most concentrated versions of this complex of work. One overriding characteristic feature is the central perspective approach to a path, extending from the foreground to the far distance, bordered by dense rows of trees. In the centre of the painting, the artist places the figure of a lonely wanderer depicted with his back to the viewer, a trick that makes it easier for the viewer to identify with the person portrayed. Eisner expertly and masterfully captures the atmosphere of an autumn afternoon with the low sun, the trees casting long shadows. With its fleeting method of painting and spontaneous brushwork, the painting, completed on site, gives an impression of the atmosphere that prevailed at the time of painting. Coloured areas set alongside each other glimmer in alternation of light and shade, giving the painting a vibrant dynamic.