Date: July 27, 1921
Banting and Best Isolate Insulin


Frederick Banting and Charles Best at the University of Toronto first isolated insulin. The first diabetes patient was treated on January 11, 1922. Banting, J.B. Collip and J.J.R. MaclLeod received the Nobel Prize for their achievement, one of the most important in medical history.



Charles Best (left) and
Frederick Banting