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of Monreale, for the Emperor Frederick and by order of Manfred, he died, leaving Arnolfo, his son, heir no less to the talent than to the wealth of his father.
This Arnolfo, from whose talent architecture gained no less betterment than painting had gained from that of Cimabue, being born in the year 1232, was thirty years of age when his father died, and was held in very great esteem, for the reason that, having not only learnt from his father all that he knew, but having also given attention under Cimabue to design in order to make use of it in sculpture, he was held by so much the best architect in Tuscany, that not only did the Florentines found the last circle of the walls of their city under his direction, in the year 1284, and make after his design the Loggia and the piers of Or San Michele, where the grain was sold, building them of bricks and with a simple roof above, but by his counsel, in the same year when the Poggio de' Magnuoli collapsed, on the brow of S. Giorgio above S. Lucia in the Via de' Bardi, they determined by means of a public decree that there should be no more building on the said spot, nor should any edifice be ever made, seeing that by the sinking of the stones, which have water trickling under them, there would be always danger in whatsoever edifice might be made there. That this is true has been seen in our own day from the ruin of many buildings and magnificent houses of noblemen. In the next year, 1285, he founded the Loggia and Piazza de' Priori, and built the principal chapel of the Badia of Florence, and the two that are on either side of it, renovating the church and the choir, which at first had been made much smaller by Count Ugo, founder of that abbey; and for Cardinal Giovanni degli Orsini, Legate of the Pope in Tuscany, he built the campanile of the said church, which, according to the works of those times, was much praised, although it did not have its completion of grey-stone until afterwards, in the year 1330.
After this there was founded with his design, in the year 1294, the Church of S. Croce, where the Friars Minor have their seat. What with the middle nave and the two lesser ones Arnolfo constructed this so wide, that, being unable to make the vaulting below the roof by reason of the too great space, he, with much judgment, caused arches to be made from pier to pier, and upon these he placed the roofs on a slope, building stone gutters over the said arches in order to carry away the rain-water, and giving them so much fall as to make the roofs secure, as they are, from the danger of rotting; which device was not only new and ingenious then, but is equally useful and worthy of being considered to-day. He then gave the design for the first cloisters of the old convent of that church, and a little time after he caused to be removed from round the Church of S. Giovanni, on the outer side, all the arches and tombs of marble and grey-stone that were there, and had part of them placed behind the campanile on the facade of the Canon's house, beside the Company of S. Zanobi; and then he incrusted with black marble from Prato all the eight outer walls of the said S. Giovanni, removing the grey-stone that there had been before between these ancient marbles. The Florentines, in the meanwhile, wishing to build walls in the Valdarno di Sopra round Castello di San Giovanni and Castel Franco, for the convenience of the city and of their victualling by means of the markets, Arnolfo made the design for them in the year 1295, and satisfied them in such a manner, as well in this as he had done in the other works, that he was made citizen of Florence.