Together they transformed Louisville into a '' five - story city '' and introduced the Italianate architectural style to the region , quickly becoming the preeminent architecture firm in Louisville through the 1880 's .
Together they transformed Louisville into a '' five - story city '' and introduced the Italianate architectural style to the region . 
 Whitestone separated from Rogers in 1857 and soon became the preeminent architecture firm in Louisville through the 1880 's .