Later Dora studied with Adam Friedrich Oeser and ( perhaps ) Anton Graff , both painters .
Her father however had no such intentions , and Dora assiduously learned the arts of drawing and engraving at his workbench ; she was evidently his star pupil .
Later star pupil studied with Adam Friedrich Oeser and ( perhaps ) Anton Graff , both painters .
Her father however had no such intentions , and Dora assiduously learned the arts of drawing and engraving at his workbench ; she was evidently his star pupil .