 Complete the following phrase:  From 1847 to 1848, Čermák studied at the Academy of Fine Arts in Prague as a pupil of Christian Ruben. It was Čermáks desire to be a history painter; as he felt that the training in Prague would be insufficient, he traveled to Antwerp, where he studied with Gustave Wappers and Louis Gallait. In 1852 he settled in Paris; however, he travelled widely through Europe and often returned to his homeland. He frequently visited Montenegro, and in 1862 he fought alongside Herzegovinachieftains and their soldiers in 