In 1965, hopes were high for artificial hearts

Excerpt from the October 2, 1965, issue of Science News Letter

heart diagrams

TAKE HEART  An artificial heart (left) can replace the blood-pumping chambers of a human heart. 

SynCardia Systems, Inc

Artificial heart readied — An artificial heart could be pumping inside a human chest within five years…. [A device] implanted in the heart cavity of a calf, keeping the animal alive nearly 24 hours, consisted of a lucite shell housing both left and right ventricles….