Definition
John Macleod (1876-1935) was a Scottish physiologist who played a significant role in the discovery of insulin. He shared the 1923 Nobel Prize in Physiology or Medicine for this groundbreaking work, which revolutionized the treatment of diabetes. Macleod's research focused on carbohydrate metabolism and the role of the pancreas. His contributions helped transform diabetes from a deadly disease into a manageable condition. He paved the way for countless people to live healthier, longer lives.