Original: Less than a hundred years later, this movement, under the patronage of Lorenzo de 'Medici, was characterized by Giorgio Vasari as a "golden age", a thought, suitably enough, he expressed at the head of his Vita of Botticelli.
Simplified: Less than a hundred years later, Giorgio Vasari saw this movement as a "golden age". Giogio Vasari expressed this thought at the head of his Vita of Botticelli.