One image is the wheelchair symbol, which has become one of the most familiar icons in the world since it was introduced in 1968. The other is an edited version, with the human distinct from the chair, in an active position, with a feeling of forward movement.
In the three years since Sara Hendren, a Cambridge artist and writer who teaches at the Rhode Island School of Design, and Brian Glenney, an assistant professor of philosophy at Gordon College, began placing their version over the existing one, the Accessible Icon Project has gone from an artistic statement to a global movement.