Karl Barry Sharpless

Karl Barry Sharpless is an American chemist renowned for his work in making chemical reactions more efficient and sustainable. He pioneered a method called "click chemistry," which allows scientists to quickly and reliably join molecules together, simplifying the development of new medicines and materials. His innovations have significantly advanced fields like drug discovery and molecular science. Sharpless has received numerous awards, including the Nobel Prize in Chemistry in 2001 and again in 2022, making him one of the few scientists to win it twice. His contributions continue to influence modern chemistry and pharmaceutical development.