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Mary Hetrick 1895 - 1977

Mary Hetrick of Philadelphia, Philadelphia County, PA was born on July 14, 1895, and died at age 81 years old in June 1977.
Mary Hetrick
Philadelphia, Philadelphia County, PA 19134
July 14, 1895
June 1977
Female
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Mary Hetrick's History: 1895 - 1977

Uncover new discoveries and connections today by sharing about people & moments from yesterday.
  • 07/14
    1895

    Birthday

    July 14, 1895
    Birthdate
    Unknown
    Birthplace
  • 06/dd
    1977

    Death

    June 1977
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Hetrick lived 8 years longer than the average family member when died at the age of 81.
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Did you know?
In 1895, in the year that Mary Hetrick was born, on May 18th, Italy's first motor race was held. The race was 58 miles long - from Turin to Asti and back. Five cars started but only three completed the race. It was won by Simone Federman who drove a Daimler Omnibus - his average speed was 9.6 mph.
Did you know?
In 1905, Mary was only 10 years old when 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.
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Mary Hetrick's Family Tree & Friends

Mary Hetrick's Family Tree

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Friendships

Mary's Friends

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Other Biographies

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