Åke Senning
Åke Senning ( 14 September 1915 — 21 July 2000 ) was a pioneering Swedish cardiac surgeon , who implanted the first human implantable cardiac pacemaker in 1958 , invented the Senning operation , and contributed to many other advances . 
<triplet> Åke Senning <subj> 21 July 2000 <obj> date of death