| On leaving school, Walter was briefly apprenticed to a chemist in Birmingham and spent his leisure time attending medical lectures. |
| Following the death of his brother Geoff, in 1947, he was apprenticed to his father, a renowned blacksmith's farrier. |
| At twelve, he was apprenticed to his brother James, who had set up as a printer. |
| The artist may be said to have been his own master, because, even when he was apprenticed to a painter he was taught less than he already knew. |
| When I was fourteen I was apprenticed to a dental mechanic for a five-year apprenticeship. |
| The son of a German artisan, he was probably born in Venice, and apprenticed to his adoptive father Giulio. |
