John R. Brinkley

John Romulus Brinkley was an American quack doctor, broadcaster, marketer and independent politician. He had no accredited education as a physician and bought his medical degree from a diploma mill. Brinkley became known as the "goat-gland doctor" after he achieved national fame, international notoriety, and wealth through the xenotransplantation of goat testicles into humans. Although Brinkley initially promoted this procedure as a means of curing male impotence, he later claimed that the technique was a virtual panacea for a wide range of male ailments. Brinkley operated clinics and hospitals in several states and was able to continue practicing medicine for almost two decades, despite his techniques being thoroughly discredited by the broader medical community.