Karl Yens (Karl Julius Heinrich Jens) 1868 – 1945 was born in Germany. He studied with the German painter Max Koch in Berlin and later with Benjamin Constant and Jean-Paul Laurens at the Academie Julian in Paris. He was active as a muralist in Germany and Edinburgh, Scotland before coming to the U.S. in 1901.
Yens moved to Southern California in 1910 and was active in Pasadena and Los Angeles art communities. He moved to Laguna Beach in 1918 and was a founding member of the California Water Color Society. Source: Nancy Dustin Wall Moure, Southern California Art 1, 2 & 3, Los Angeles 1984