Royal Historian

From Oz Wiki

Royal Historian of Oz is a title given to the writers of the "Famous Forty" books of official Oz history published by Reilly & Lee. L. Frank Baum created the title and was the first Royal Historian. After his death, Baum was succeeded by Ruth Plumly Thompson, John R. Neill, Jack Snow, Rachel Cosgrove, Eloise Jarvis McGraw, and Lauren Lynn McGraw.