My whole a poet's name displays

Puzzle

My whole a poet's name displays,
Whose fame will last for
evermore ;
Decapitate, and what remains
Does oft express what goes before;
Curtail my last, and mark the pains

Answer:My whole a poet's name displays

References

• Loyd, Sam [1914]. in Loyd, Sam, Jr.: Sam Loyd's Cyclopedia of 5000 Puzzles Tricks and Conundrums (in English). New York: Lamb Publishing company, page 22.