"I have been appointed Master of the college, I have here the paper from the Queen," Sen replied, and handed the head porter his appointment letter from the Queen wrapped in red cloth. "Please wait, I will take this to the fellows for authentication," the head porter replied, and promptly shut the door on the new Master. The tradition parallels the medieval enthroning of a bishop and means that all new fellows have to be duly approved by the other fellows, and then ordained.