John Armitage References Images John Armitage British editor 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: Encyclopædia Britannica/ Corporate changeFrom 1949, when John Armitage became London editor, until 1965, when he retired from that position, the London office again produced a separate yearbook. From 1966 onward a single international yearbook was produced. Read MoreFrom 1949, when John Armitage became London editor, until 1965, when he retired from that position, the London office again produced a separate yearbook. From 1966 onward a single international yearbook was produced. Read More