T S —, winner of the 1948 Nobel Prize in Literature (5)
I believe the answer is:
eliot
(Other definitions for eliot that I've seen before include "T.S. or George?" , "Author of Adam Bede, d.1880" , "T.S. --, poet" , "T S . . . . . wrote ''The Waste Land''" , "Pseudonymous writer" .)