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Mary Hall 1905 - 1985

Mary Hall of Pittsburgh, Allegheny County, PA was born on April 3, 1905, and died at age 80 years old in December 1985.
Mary Hall
Pittsburgh, Allegheny County, PA 15214
April 3, 1905
December 1985
Female
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Mary Hall's History: 1905 - 1985

Uncover new discoveries and connections today by sharing about people & moments from yesterday.
  • 04/3
    1905

    Birthday

    April 3, 1905
    Birthdate
    Unknown
    Birthplace
  • 12/dd
    1985

    Death

    December 1985
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Mary Hall lived 8 years longer than the average family member when died at the age of 80.
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Did you know?
In 1905, in the year that Mary Hall 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 1914, Mary was merely 9 years old when in August, the Panama Canal opened to traffic. Begun by the French in the 1880's and abandoned, the United States undertook further construction in 1904. After 10 years, and the elimination of malaria carrying mosquitoes (which caused immense delays for the French and the Americans), the 48 mile long artificial waterway - a series of locks - created a shortcut for ships traveling between the Atlantic and Pacific Oceans.
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Mary Hall's Family Tree & Friends

Mary Hall's Family Tree

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Friendships

Mary's Friends

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