Pierre Grondin
Pierre Grondin (August 18, 1925 – January 17, 2006), was a Canadian cardiac surgeon known for his contributions to heart transplantation and cardiac surgery. After completing postgraduate training with Michael DeBakey and Denton Cooley in Houston, Texas, Grondin introduced advanced techniques—such as open-heart surgery using the heart-lung machine and coronary artery bypass surgery—at the Montreal Heart Institute.