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John Grady 1893 - 1961

John Grady was born on October 25, 1893, and died at age 67 years old in September 1961. Family, friend, or fan, this family history biography is for you to remember John Grady.
John Grady
October 25, 1893
September 1961
Male
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John Grady's History: 1893 - 1961

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  • 10/25
    1893

    Birthday

    October 25, 1893
    Birthdate
    Unknown
    Birthplace
  • 09/dd
    1961

    Death

    September 1961
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    John Grady lived 5 years shorter than the average family member when died at the age of 67.
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Did you know?
In 1893, in the year that John Grady was born, a songbook, called Song Stories for the Kindergarten, was published by sisters Patty and Mildred Hill. One of the songs included in the book was "Good Morning to All" - later the lyrics were changed and it became "Happy Birthday to You".
Did you know?
In 1900, at the age of merely 7 years old, John was alive when 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.
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John Grady's Family Tree & Friends

John Grady's Family Tree

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