Anemia. Anemia is a disorder that affects the red blood cells in your body, reducing the number of them or the amount of hemoglobin they carry. When there are less red blood cells than normal or if they are not functioning properly it can result in serious effects on your health.
Cadaver tomb. A cadaver tomb or transi (or memento mori tomb, Latin for reminder of death) is a type of gisant (recumbent effigy tomb) featuring an effigy in the form of a decomposing corpse. The topos was particularly characteristic of the later Middle Ages.
Some wiseacres might say that's like asking who's buried in Grant 's Tomb. Still, there is a basic story in the answer to your question. While I am not sure I can answer all of the specifics, currently, there is entombed an American soldier ( or marine) from WW1, one from WW2, and one from the Korean War.