George Henry Alexander Clowes was a pivotal figure in the development of the insulin program at the Eli Lilly Company. Through his leadership, scientists and clinicians at Lilly and the University of Toronto created a unique, international team to develop and purify insulin and take the production of this life-saving agent to an industrial scale. This biography, written by his grandson, presents his scientific achievements, and also takes note of his social and philanthropic contributions, which he shared with his wife, Edith. It tells the story of Clowes from his childhood in late...