Arthur Conan ___ (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
doyle
(Other definitions for doyle that I've seen before include "Arthur Conan - - (lit.)" , "A. Conan - - (writer)" , "Detective story perpetrator" , "Creator of Sherlock Holmes" , "Sir Arthur Conan -, author" .)