Sarah Clarke References Sarah Clarke British administrator Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Black RodIn 2017 Sarah Clarke was named Lady Usher of the Black Rod; she was the first woman to be appointed to the office in its more than 650-year history. Read MoreIn 2017 Sarah Clarke was named Lady Usher of the Black Rod; she was the first woman to be appointed to the office in its more than 650-year history. Read More