Co-discoverer of this pancreatic hormone, Ontario's Frederick Banting won a 1923 Nobel Prize
In 1923, Banting and Macleod received the Nobel Prize for one of the ... Frederick 
Banting was the codeveloper of insulin and shared ... Ontario, jotted down this 
idea for research about the pancreas: ... One of Macleod's student helpers, 
Charles Best, won a coin toss to be the first to start work with Banting.