June 1952 Issue [Article] The automatic heart Download PDF Adjust Share by Leonard Engel, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Animal experimentation Cardiopulmonary bypass Heart, Mechanical John Heysham Gibbon United States More from Leonard Engel Science crosses specialty lines The Race to Create Life Our scientists are now close to a feat that will rival the conquest of space—the unlocking of the secrets of heredity, reproduction, and of life itself. Why we don’t wipe out Polio Adjust Share