Author Turgenev (4)
I believe the answer is:
ivan
'author turgenev' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ivan that I've seen before include "One Day in the Life of - Denisovich (Solzhenitsyn)" , "First tsar of Russia" , "his progress in history was terrible!" , "__ Lendl, Czech-born American tennis star" , "A Russian emperor, quite Terrible" .)