But Saruman has long studied the arts of the Enemy himself, and thus we have often been able to forestall him. It was by the devices of Saruman that we drove him from Dol Guldur. It might be that he had found some weapons that would drive back the Nine.

Like it can be seen from that quote, Saruman was the head of the Order and Tower of Orthanc was his home. Grey Fool was only a visitor there and Tower of Orthanc was ruled by Saruman the Wise.

My name is Daywalker but like Saruman himself, I have many names that people use: Day, Blade, Walker to name a few. If you need help and you have questions you need answers to, I’m here to help you.