John Hartwig is a prominent chemist known for his contributions to the field of organic chemistry. He is particularly recognized for his work on catalysis, which involves speeding up chemical reactions using substances called catalysts. His research has significant implications for developing new materials and pharmaceuticals. Hartwig is a professor at Stanford University, where he teaches and mentors students in chemistry. He has received several awards for his innovative research, including recognition from the American Chemical Society. His work continues to influence both academic research and industrial applications in chemistry.