Macleod's historic insulin research occurred in which decade?
1900s
1910s
1920s
1930s
Answer
In the 1920s, Canadian scientist John Macleod led a team that successfully isolated and purified insulin, paving the way for its use as a lifesaving treatment for diabetes.
Mastering the Marvels of John Macleod: The Scottish Nobel Laureate's Legacy in Physiology