Vivien Theodore Thomas (August 29, 1910 – November 26, 1985) was an American laboratory supervisor who, in the 1940s, played a major role in developing a procedure now called the Blalock–Thomas–Taussig shunt used to treat blue baby syndrome (now known as cyanotic heart disease) along with surgeon Alfred Blalock and cardiologist Helen B. Taussig. He was the assistant to Blalock in Blalock's experimental animal laboratory at Vanderbilt University in Nashville, Tennessee, and la…
