 Complete the following phrase:  Vermehren became a member of the Royal Danish Academy of Fine Arts in 1864, and began teaching there in 1865. Among his students were P. S. Krøyer 18641870, Kristian Zahrtmann 18641868, Vilhelm Hammershøi 18641916 and Michael Ancher 1849 1927. As a member of the Exhibition Committee at Charlottenborg, his work was exhibited at the 