Original: Jones & Penny :163 For Agostino Chigi , the hugely rich banker and Papal Treasurer , he painted the Galatea and designed further decorative frescoes for his Villa Farnesina , and painted two chapels in the churches of Santa Maria della Pace and Santa Maria del Popolo .
Simplified: Raphael 's first work as an architect was the funeral chapel in the church of Santa Maria del Popolo .