Charles Best (medical scientist) and Noble flipped a coin to see which would assist Banting first. Best won and took the first shift. Loss of the coin toss proved unfortunate for Noble, given that Banting decided to keep Best for the entire summer and eventually shared half of his Nobel Prize money and a part of the credit for the discovery of insulin. Had Noble won the toss, his career might have taken a different path. MacLeod was overseeing the work of Banting, who had no experience of physiology, and his assistant Best. In December, when Banting and Best were having difficulties in refining
Frederick Banting eyesight. Banting successfully joined the army in 1915 and spent the summer training before returning to school. His class was fast-tracked to get more doctors into the war and so he graduated in December 1916 and reported for military duty the next day. He was wounded at the Battle of Cambrai in 1918. Despite his injuries, he helped other wounded men for sixteen hours, until another doctor told him to stop. He was awarded the Military Cross in 1919, for heroism. Banting returned to Canada after the war and went to Toronto to complete his surgical training. He studied orthopedic