André Frédéric Cournand

André Frédéric Cournand was born in France on September 24, 1895, and later moved to America, where he built a career in physiology and medicine. Over the span of his professional life, he concentrated on the cardiovascular and respiratory systems, conducting research that deepened medical knowledge of how blood moves through the body. His work belonged to the mid-twentieth-century wave of physicians who turned clinical observation into measurable science. He died on February 19, 1988, at ninety-two.