Timothy B RiordanTimothy B. Riordan is an historical archaeologist and historian who, for 30 years, was the Chief Archaeologist at St. Mary's City, an outdoor museum of archaeology and history in Maryland. He has written numerous professional articles and monographs.His other books include a history of Maryland in the English Civil War, 1642-1650 and a biography of Francis Tumblety, 19th-century quack doctor and one time Jack the Ripper suspect. Read More Read Less