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Helmut Gröttrup
German engineer and inventor of the smart card (1916-1981).
Born February 12th, 1916 in Cologne.
Died July 4th, 1981 at 65 years old in Munich.
Occupations
inventor, military flight engineer, physicist
Wikipedia
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The great thing about getting older is that you don't lose all the other ages you've been. Madeleine L'Engle