1959

Invention of implantable pacemaker (Howell IV, 285). First long-term external pacemaker (Medtronics 5800 ) with new myocardial lead terminating in the Roth-Hung electrode platform sewn on to heart. Implanted in Warren Mauston by Hunter on 14 April and kept him alive for 6.5 years (Jeffrey, 75ff.).