Adding to an earlier Gothic design, Donato Bramante Pope Julius II's chief architect in Rome fashioned a magnificent red brick and white stone chancel (tribuna) in 1492.
Donato Bramante was one of the most famous architects in Rome.  
mnli hypothesis: Donato Bramante was one of the most famous architects in Rome.   premise: Adding to an earlier Gothic design, Donato Bramante Pope Julius II's chief architect in Rome fashioned a magnificent red brick and white stone chancel (tribuna) in 1492.