From Wikibooks, open books for an open world
- His parachute did not open.
- He was hiking and ran out of food.
- He was poisoned.
- Random heart attack
- The man was actually Abraham Lincoln and 'the field' is the nickname for the theater he was in during his assassination. There is no one else in 'the field' because the theater was evacuated. The rucksack on his back was a late 1850's man-purse that was common during that era for theater-goers.