In 1447 he started working with the painter Fra Angelico. He went to Rome with Fra Angelico to help paint the Chapel of Pope Nicholas V in the Vatican. In 1449 he was working in his own studio.
ɪ n WORD_BOUNDARY w ʌ n WORD_BOUNDARY θ aʊ z ə n d WORD_BOUNDARY f ɔ ɹ h ʌ n d ɹ ɪ d WORD_BOUNDARY f ɔ ɹ t i WORD_BOUNDARY s ɛ v ə n WORD_BOUNDARY h iː WORD_BOUNDARY s t ɑ ɹ t ɪ d WORD_BOUNDARY w ɜː k ɪ ŋ WORD_BOUNDARY w ɪ ð ð ə WORD_BOUNDARY p eɪ n t ə ɹ WORD_BOUNDARY f ɹ ɑ WORD_BOUNDARY æ n d̠ʒ ɛ l ɪ k oʊ WORD_BOUNDARY h iː WORD_BOUNDARY w ɛ n t WORD_BOUNDARY t ə WORD_BOUNDARY ɹ oʊ m WORD_BOUNDARY w ɪ ð WORD_BOUNDARY f ɹ ɑ WORD_BOUNDARY æ n d̠ʒ ɛ l ɪ k oʊ WORD_BOUNDARY t ə WORD_BOUNDARY h ɛ l p WORD_BOUNDARY p eɪ n t WORD_BOUNDARY ð ə WORD_BOUNDARY t̠ʃ æ p ə l WORD_BOUNDARY ʌ v WORD_BOUNDARY p oʊ p WORD_BOUNDARY n ɪ k ə l ə s WORD_BOUNDARY v iː WORD_BOUNDARY ɪ n ð ə WORD_BOUNDARY v æ t ɪ k ə n WORD_BOUNDARY ɪ n WORD_BOUNDARY w ʌ n WORD_BOUNDARY θ aʊ z ə n d WORD_BOUNDARY f ɔ ɹ h ʌ n d ɹ ɪ d WORD_BOUNDARY f ɔ ɹ t i WORD_BOUNDARY n aɪ n WORD_BOUNDARY h iː WORD_BOUNDARY w ʌ z WORD_BOUNDARY w ɜː k ɪ ŋ WORD_BOUNDARY ɪ n WORD_BOUNDARY h ɪ z WORD_BOUNDARY oʊ n WORD_BOUNDARY s t uː d ɪ oʊ WORD_BOUNDARY