Fritz Zuber-Buhler was a Swiss artist who lived in the 1800’s. Most of his paintings are portraits, but he does have some fairy ones.
The provided link tells you more about his life and the time period he was painting in. The last half of the second paragraph provides a brief explanation of the picture in colour ‘Spirit in the Morning’ and how it fit into his style. http://www.rehs.com/fritz_zuber_buhler.html.