Kim Lewis, co-founder of biotechnology company NovoBiotic Pharmaceuticals, Director of Antimicrobial Discovery Center at Northeastern University, and lead scientist on the team that discovered the promising new antibiotic Teixobactin being developed at NovoBiotic, poses for a portrait at his office in Boston, Massachusetts, U.S., November 17, 2016. To match Special Report USA-UNCOUNTED/DRUGS REUTERS/Brian Snyder