Denton Cooley
He studied zoology in the University of Texas and graduated in 1941. He began his medical education at the University of Texas Medical Branch in Galveston. He completed his medical degree and his surgical training at the Johns Hopkins School of Medicine in Baltimore, Maryland, where he also completed his internship. At Johns Hopkins, he worked with Dr. Alfred Blalock and helped with the first Blue Baby procedure to treat a child's congenital heart defect.