Wired Q&A with Harvey Arbesman, one of the winning Solvers of the BeyondPolio Challenge. This Challenge achieved BeyondPolio’s desired result of identifying promising solution paths that could help complete the eradication of polio at a global level, building on the success of the Global Polio Eradication Initiative which has used oral poliovirus vaccine (OPV) to nearly wipe out the virus in the remaining countries where it has been circulating.