Simplify the following text for a Grade 10 native English-speaking person.
Original: Though his father wanted him to continue his training as a goldsmith , he showed such a precocious talent in drawing that he started as an apprentice to Michael Wolgemut at the age of fifteen in 1486 .
Simplified: His father wanted him to continue his training as a goldsmith , but he was so good at drawing that he started as an apprentice to Michael Wolgemut at the age of fifteen in 1486 .