Transplants and Diabetes Three Toronto scientists have developed an organ transplant procedure that could, among its many benefits, reverse diabetes. The procedure was developed by Bernard Leibel, Julio Martin and Walter Zingg at the University of Toronto and the Hospital for Sick Children. The story of their work began in 1978, when they delved into research which had never before been tried. They wanted to determine if the success rate of organ transplants would increase if the recipient was injected with minute amounts of organ tissue prior to the transplant. The intention was to adapt the recipient to the transpl