"Grey's" doctor Hunt (4)
I believe the answer is:
owen
(Other definitions for owen that I've seen before include "Wilfred -, English poet killed in World War One" , "Wilfred - - , WW1 poet" , "Wilfred - - , WWI poet" , "Welsh industrialist and social reformer, founder of cooperative communities, d. 1858" , "Welsh boy's name" .)