The Time Machine author (1,1,5)
'the time machine author' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for wells that I've seen before include "Cathedral city; sci-fi writer" , "H. G. . . . . ., science-fiction writer" , "Novelist and city" , "Sources of water" , "What a boring person might produce" .)