Sir George Husband Baird Macleod. Photograph by T. & R. Annan & Sons. https://www.rawpixel.com/image/14020688/sir-george-husband-baird-macleod-photograph-annan-sonsFree Image from public domain licenseGeorge H. B. Macleod, M.D., Professor of Surgery by Thomas Annan https://www.rawpixel.com/image/14319643/george-macleod-md-professor-surgery-thomas-annanFree Image from public domain license