1) Composer of threnodies 2) Gray was one 3) Ovid, during his exile 4) Poet 5) Sad poet 6) Shelley or Gray 7) The author of an elegy 8) Thomas Gray was one 9) Thomas gray, notably 10) Writer of mournful verse 11) Writer of pieces in passing 12) Writer of sad poems 
• (n.) A write of elegies.
El'e·gist noun A write of elegies. T. Warton. 
[n] - the author of a mournful poem lamenting the dead
noun the author of a mournful poem lamenting the dead
the author of an elegy.