 Masaccio is often justly praised for the variety of his facial depictions . In the case of this painting the accolade is somewhat diminished , however , by the fact that the work was unfinished at the time of his death , and the heads of Jesus and St Peter were painted by his senior collaborator Masolino da Panicale , ( who painted the corresponding perspective work on the other side of the Chapel , " Healing of the Cripple and Raising of Tabitha " . 
