Brandon —, author of 1892 farce Charley's Aunt (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
thomas
(Other definitions for thomas that I've seen before include "-- Edison, inventor" , "- the Rhymer, C 13 Scots poet" , "Poet who remembered Adlestrop" , "Dylan ..., ... Aquinas" , "The doubting one" .)