Paul Janssen

Paul Janssen was a Belgian pharmacologist and the founder of Janssen Pharmaceutica, renowned for his significant contributions to medicine, including the creation of fentanyl, a potent synthetic opioid. Born in 1926, Janssen's early experiences motivated him to develop new medications, leading to groundbreaking advancements in pain management and anesthesia. His work laid the foundation for the widespread use of fentanyl, which, while saving countless lives in medical settings, later became a central player in the opioid crisis due to its potency and illicit use.