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Mary J Opatchen 1905 - 1997

Mary J Opatchen of Pittsburgh, Allegheny County, PA was born on December 4, 1905, and died at age 91 years old on January 15, 1997.

Mary J Opatchen
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Pittsburgh, Allegheny County, PA 15219
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December 4, 1905
Birth
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January 15, 1997
Death
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Female
Looking for another Mary Opatchen?
Updated: October 6, 2011
Biography ID: 25954402 What's this
Mary J Opatchen Mary Opatchen (1905 - 1997)
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Mary J Opatchen's History: 1905 - 1997

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  • 12/4
    1905

    Birthday

    December 4, 1905
    Birthdate
    Unknown
    Birthplace
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  • 01/15
    1997

    Death

    January 15, 1997
    Death date
    Unknown
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  • Did you know?
    Mary J Opatchen lived 14 years longer than the average family member when died at the age of 91.
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In 1905, in the year that Mary J Opatchen 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 1926, Mary was 21 years old when on November 15th, NBC was founded. It was the U.S.'s first major broadcast network. Ownership of the network was split between RCA (a majority partner at 50%), its founding corporate parent General Electric (which owned 30%), and Westinghouse (which owned the remaining 20%).
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Mary Opatchen's Family Tree & Friends

Mary Opatchen's Family Tree

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Mary J Opatchen Dec 4, 1905 - Jan 15, 1997
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Other Biographies

Other Mary Opatchen Biographies

Opatchen, Mary (Jun 29, 1928 - Aug 2, 2011)

Other Opatchen Family Biographies

Opatchen, Mary (Jun 29, 1928 - Aug 2, 2011) Opatchen, Bertha (Apr 12, 1893 - Jul 1965) Opatchen, Florence (Feb 22, 1915 - Sep 18, 2003) Opatchen, Joseph (Aug 16, 1896 - Oct 1977)
Opatchen, Andrew (Jun 5, 1922 - Nov 13, 2010) Opatchen, Joseph (Dec 10, 1923 - Oct 30, 1996) Opatchen, John (Dec 2, 1911 - Mar 1974) Opatchen, Stanley (Apr 17, 1927 - Jan 6, 1984)
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