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Grace Dehaan 1897 - 1990

Grace Dehaan was born on December 13, 1897, and died at age 92 years old on July 18, 1990. Family, friend, or fan, this family history biography is for you to remember Grace Dehaan.
Grace Dehaan
December 13, 1897
July 18, 1990
Female
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Grace Dehaan's History: 1897 - 1990

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  • 12/13
    1897

    Birthday

    December 13, 1897
    Birthdate
    Unknown
    Birthplace
  • 07/18
    1990

    Death

    July 18, 1990
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Grace Dehaan lived 17 years longer than the average family member when died at the age of 92.
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Did you know?
In 1897, in the year that Grace Dehaan was born, in the January 22nd issue of "Engineering", the word "computer" was first used to refer to a mechanical calculation device. Previously - since the 17th century - the term computer meant "one who computes" and referred to human beings who worked with numbers.
Did you know?
In 1905, Grace was only 8 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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Grace Dehaan's Family Tree & Friends

Grace Dehaan's Family Tree

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Grace's Friends

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