Of the world's current highest ultra-wealthy, who will be the last standing?

Prediction market on manifold. (Forbes used as source for this shortlist) "Players" are eliminated if, after market creation 23 Feb 2024, they: die cease being a billionaire (no, becoming a trillionaire doesn't count) become wheelchair-bound or publicly fall down (must fall such that they are no longer supported by either foot, video proof required) Last player standing wins and resolves YES. Others resolve NO as they are eliminated. Close date may change as necessary.

24h Volume: $2.625. Liquidity: $1,000. Resolves: 1/1/2030.