Wilson Greatbatch, an electrical engineer affiliated with the University of Buffalo, invented a small battery-powered pacemaker. William Chardack, chief of surgical services at the Veterans Administration Hospital in Buffalo, N.Y., implanted an example in a dog in 1959, and another in a man in 1960. An inscription on this example reads “CHARDACK GREATBATCH / PACEMAKER / MFD BY / MEDTRONIC, INC. / MPLS, MINN. U.S.A.”
Ref: “New Pacemaker for Heart Tested,” New York Times (Nov. 6, 1959), p. 15.
“Wilson Greatbatch, Pacemaker Inventor, Dies at 92,” New York Times (Sept. 28, 1911), p. B10.
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