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Mary E Koch 1905 - 2000

Mary E Koch of Philadelphia, Philadelphia County, PA was born on June 17, 1905, and died at age 95 years old on July 13, 2000.
Mary E Koch
Philadelphia, Philadelphia County, PA 19124
June 17, 1905
July 13, 2000
Female
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Mary E Koch's History: 1905 - 2000

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  • 06/17
    1905

    Birthday

    June 17, 1905
    Birthdate
    Unknown
    Birthplace
  • 07/13
    2000

    Death

    July 13, 2000
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary E Koch lived 20 years longer than the average family member when died at the age of 95.
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Did you know?
In 1905, in the year that Mary E Koch was born, the German born physicist, Albert Einstein, proposed the Special Theory of Relativity: 1) that observers can never detect uniform motion except relative to other objects and that 2) unlike the velocity of massive objects, the speed of light is a constant and is the same for all observers independent of their constant velocity toward or away from the light source. Not such simple concepts that lead to the equation everyone now knows: E = mc2.
Did you know?
In 1964, Mary was 59 years old when on June 11th, activist Nelson Mandela was sentenced to life imprisonment in South Africa for conspiring to overthrow the state (because of his numerous anti-apartheid activities). He served 27 years in prison.
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Mary Koch's Family Tree & Friends

Mary Koch's Family Tree

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Other Biographies

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