Lev Semenovich Pontryagin was born on September 3, 1908.
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Lev Semenovich Pontryagin was born on September 3, 1908.
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Lev Semenovich Pontryagin died on May 3, 1988 at the age of
79.
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Lev Semenovich Pontryagin died on May 3, 1988 at the age of
79.
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Lev Semenovich Pontryagin was born on September 3, 1908 and died
on May 3, 1988. Lev Semenovich Pontryagin would have been 79 years
old at the time of death or 106 years old today.