premise: Osamu Tezuka practiced at least one art as a child.
hypothesis: was a Japanese manga artist , cartoonist , animator , film producer , medical doctor and activist . Born in Toyonaka Tezuka took an interest in art and animation at an early age when his father showed him his first Disney films . As a young child Tezuka began to practice drawing so much that his mother would have to erase pages in his notebook in order to keep up with his output .