Brief Biography-Bernardo Ciuffagni, a sculptor, was born in Florence in 1381. He trained in the workshop of Lorenzo Ghiberti and assisted him with the north doors of the Baptistry in Florence. Donatello influenced his work; his best-known works were for the Cathedral, David, Isaiah, and Saint Matthew. In 1417 he went to Venice to work on San Marco, leaving his task unfinished in Florence. Ciuffagni returned in 1421 and received a commission to erect a gargoyle and statue for the cathedral's choir. Between 1424 and 1427, he completed Isaiah, and David was between 1427 and 1435. After that, he ceased doing sculptures, and the Florentine Mint employed him in his later years. Ciuffagni died in Florence in 1458. He left a wife and six children; his remains lie in the Basilica di Santo Spirito.