Definition
Peter Medawar (1915-1987) was a British scientist of Lebanese-Brazilian descent. He won the Nobel Prize in Physiology or Medicine in 1960 for his work on tissue grafting and the immune system. He's considered one of the founders of transplantation immunology. Think of him as a pioneer in understanding how our bodies accept or reject foreign tissues. His research has been crucial for organ transplants. He was also a skilled science communicator.