 Between 1963 and 1965, he also assembled the world's first collection of living human organs for surgical use.Demikhov's groundbreaking experiments may have shocked the world, but they undoubtedly played a vital role in paving the way for human organ transplantation.Demikhov died at the age of 82 on November 22, 1998, as the result of an aneurysm, in his small apartment on the outskirts of Moscow.