Ernst Karl Abbe was a German physicist known for defining the
principle of numerical aperture. Ernst Karl Abbe was also an
optometrist and entrepreneur.
Ernst Karl Abbe was a German physicist known for defining the
principle of numerical aperture. Ernst Karl Abbe was also an
optometrist and entrepreneur.
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Ernst Abbe was born on January 23, 1840.
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Ernst Abbe was born on January 23, 1840.
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Ernst Abbe died on January 14, 1905 at the age of 64.
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Ernst Abbe was born on January 23, 1840 and died on January 14,
1905. Ernst Abbe would have been 64 years old at the time of death
or 175 years old today.