 Busch studied for nearly four years at Hanover , despite initial difficulties in understanding the subject matter . A few months before graduation he confronted his parents with his aspiration to study at the Düsseldorf Art Academy . According to Bush 's nephew Hermann Nöldeke , his mother supported this inclination . His father eventually <unk> and Busch moved to Düsseldorf in June 1851 , where , to his disappointment at not being admitted to the advanced class , he entered preparatory classes . Busch 's parents had his tuition fees paid for one year , so in May 1852 he traveled to Antwerp to continue study at the Royal Academy of Fine Arts under <unk> <unk> <unk> . He led his parents to believe that the Academy was less <unk> than Düsseldorf , and had the opportunity to study old masters . At Antwerp he saw for the first time paintings by Peter Paul Rubens , <unk> <unk> , David <unk> and <unk> <unk> . The pictures aroused his interest , but made him doubt his own skills . Eventually , in 1853 , after suffering heavily from <unk> , he abandoned his Antwerp studies and returned <unk> to Wiedensahl . 
