I think it's Upscale that uses a wheelchair and was mentioning what General had done with table saws. Chris Schwartz has an article on one made especially by and for a wheelchair user.
Even with the lower height of the bench this guy made, I'm having problems seeing how someone in a chair could get enough boost behind a handplane to plane hardwood. Regardless, it's a lovely bench and looks like it would make his time in the shop a lot easier than standard sized benches.
Tanus