The work of Universal Design founder, Marc Harrison shows us that accessible products that work for everyone are the result of observation-based research and iteration, not just a well-meaning but largely theoretical commitment to “inclusion.” — When I was learning to handle a chef’s knife like a competent home cook (as opposed to Benihana headliner,) most of the tips I received were about keeping the knife in motion while preserving my full complement of fingers. Like many domestic cooks, I have forgotten how intimidating and even…