While there are many anatomic varieties of congenital malformations of the heart and great vessels, most may be divided, from a functional point of view, into 3 types: (1) Conner also had keen insight into the specific problems of the individual patient. He was a pioneer more than 40 years ago in emphasizing facts which then were controversial and which we accept today as commonplace. His interests in the pulmonary complications of the patient with typhoid fever led to a clear appreciation of the relationship of peripheral venous thrombosis to pulmonary embolism.He indicated that peripheral venous thrombosis might be clinically latent and yet be responsible for pulmonary embolism.' 2 The pulmonary embolism might be recurrent and not necessarily fatal. In stressing these facts, he brought out the concept that in a patient with a disease seemingly unrelated to the lungs, there might be pulmonary manifestations that were, in fact, somehow related to the basic nonpulmonary disease.