University of Texas Libraries
Denton Cooley
Brief biography of Texas heart surgeon Dr. Denton Cooley. Details the cardiologist's professional career quoting his personal reflections in the development of cardiovascular surgery.
National Inventors Hall of Fame
National Inventors Hall of Fame: John Gibbon: Heart Lung Machine
This site provides a very brief bio on Dr. John Gibbon, inventor of the heart-lung machine that he used to "complete the first open-heart operation." Learn about the invention's impact on the medical world.