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John Holder 1900 - 1972

John Holder of Berkeley, Alameda County, California was born on April 28, 1900, and died at age 71 years old in February 1972.
John Holder
Berkeley, Alameda County, California 94703
April 28, 1900
February 1972
Male
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John Holder's History: 1900 - 1972

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  • 04/28
    1900

    Birthday

    April 28, 1900
    Birthdate
    Unknown
    Birthplace
  • 02/dd
    1972

    Death

    February 1972
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    John Holder lived exactly as long as the average family member when died at the age of 71.
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Did you know?
In 1900, in the year that John Holder was born, the German physicist Max Planck formulated an energy theory, postulating the existence of "quanta," which lays the groundwork for the quantum theory of modern physics. In December, he introduced a paper on the Planck postulate which stated that E=hv - the energy of a photon is proportional to its frequency times a constant. Planck won a Nobel Prize in 1918 for his work in theoretical Physics.
Did you know?
In 1914, John was only 14 years old when President Woodrow Wilson signed a proclamation designating Mother's Day, the second Sunday in May, as a national holiday to honor mothers. Anna Jarvis had championed a Mother's Day for years but Congress had joked a few years earlier that then they would have to proclaim a "Mother-in-law's Day" as well. The President who championed a woman's right to vote also created a day in their honor.
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John Holder's Family Tree & Friends

John Holder's Family Tree

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Other Biographies

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