or POSTELLI, BACCIO, a Florentine architect, was constantly employed at Rome by Pope Sixtus IV. between 1471 and 1484. Among other fabrics, he designed the church of Santa Maria del Popolo, and the Ponte Sisto. But his most notable work was the Sistine chapel, an edifice which was destined to be adorned with some of the greatest masterpieces of modern painting. The death of Pintelli is supposed to have taken place at Urbino about 1490 or 1491.