Summary

Giorgio Vasari Lives of the Most Excellent Painters… (1850)

Thus, we have certainly great obligations to Stefano, for he who, walking in darkness, encourages others by showing them the way, confers the benefit of making known the dangerous points, and warning from the false road, enables those who come after to arrive in time at the desired goal. This master also began to paint in fresco the chapel of Santa Caterina, in the church of San Domenico, in Perugia, but left it unfinished.
At the same time with Stefano, there flourished the Sienese painter Ugolino, his intimate friend, and who also enjoyed considerable reputation.
Source: Wikisource

Giorgio Vasari Lives of the Most Excellent Painters… (1850)

The first of these arches exhibits the transfiguration of Christ, with Moses and Elias; and the painter, figuring to himself the splendour by which the three disciples must have been dazzled, has represented them in extraordinary and very beautiful attitudes. The mode in which the figures are enveloped in their draperies proves, also, that Stefano sought to display the form beneath the folds, a thing that had not previously been attempted, nor taken into consideration, even by Giotto himself.
Source: Wikisource

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