Augustus S. F. X. Van Dusen
Fictional character
Professor Augustus S. F. X. Van Dusen, Ph.D., LL.D., F.R.S., M.D., M.D.S. is a fictional character in a series of detective short stories and a novel by Jacques Futrelle, the best known being The Problem of Cell 13. Wikipedia
TV show: The Rivals of Sherlock Holmes
Played by: Douglas Wilmer
First appearance: The Problem of Cell 13
Books