Benjamin Britten wrote a nice one.
Benjamin Britten
In order to celebrate his life, she wrote a requiem.
One likely reason Johannes Brahms wrote A German Requiem was to mourn the death of his beloved mother. A German Requiem was written shortly after his mother's death in 1865.
Melvyn Bragg wrote The Soldier's Return.
Almost every composer of renown has one. Mozart and Leonard Bernstein each have famous ones.
The soldier wrote a letter.
Wolfgang Amadeus Mozart
I've been looking for this answer myself!
Ivan Ditmars composed the Brahms paraphrase heard in "Requiem for Methuselah" .
An american soldier!
I think it was an anonymous soldier.