Swipe left and right to see more photos

1 (of 4) Student assistant Charles H. Best and Frederick G. Banting are standing on the roof of the medical building with one of the diabetic dogs used in their experiments with insulin.

Credits: University of Toronto Archives

Swipe left and right to see more photos

2 (of 4) Banting and Best's laboratory where insulin was discovered.

Credits: University of Toronto Archives

Swipe left and right to see more photos

3 (of 4) Frederick Banting with dog.

Source: Wikimedia Commons, Creative Commons Attr. 4.0 International licensePhotographer unknown

Swipe left and right to see more photos

4 (of 4) Frederick Banting at his desk.

Source: Wikimedia Commons, Creative Commons Attr. 4.0 International licensePhotographer unknown