Warren Operation

In 1969, scientist and physician Joseph Warren performed one of the first life-saving kidney transplants after a disappointing diagnosis. A successful operation was carried out, which was admired by many doctors around the world. Warren, at age 51, transplanted a kidney to a patient. He prepared this operation for 15 years, collecting a huge collection of experience. The patient, James Downey, died six months later. However, the first transplantation carried out after preliminary accumulation of experience made it possible to save hundreds of lives in the following decades. Warren himself died of cancer in December 1925 after an operation when