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Richard Gradnauer 1900 - 1988

Richard Gradnauer of New York, New York County, NY was born on August 7, 1900, and died at age 87 years old on February 2, 1988.

Richard Gradnauer
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New York, New York County, NY 10024
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August 7, 1900
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February 2, 1988
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Updated: October 5, 2011
Biography ID: 14568672 What's this
Richard Gradnauer Richard Gradnauer (1900 - 1988)
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Richard Gradnauer's History: 1900 - 1988

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  • 08/7
    1900

    Birthday

    August 7, 1900
    Birthdate
    Unknown
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  • 02/2
    1988

    Death

    February 2, 1988
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  • Did you know?
    Richard Gradnauer lived 9 years longer than the average family member when died at the age of 87.
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In 1900, in the year that Richard Gradnauer 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.
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In 1918, at the age of 18 years old, Richard was alive when on November 1, an elevated train on the Brooklyn line of the subway - driven by an inexperienced operator because of a strike - tried to navigate a turn at 30mph. The limit on the curve was 6 mph. The 2nd and 3rd cars of the 5 car wooden train were badly damaged and at least 93 people were killed, making it the deadliest crash in New York subway history.
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Richard Gradnauer's Family Tree & Friends

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Richard Gradnauer Aug 7, 1900 - Feb 2, 1988
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Other Biographies

Other Gradnauer Family Biographies

Gradnauer, Margot (Aug 7, 1899 - Jan 1985) Gradnauer, Herman (Aug 10, 1888 - Oct 1967) Gradnauer, Thomas (Jun 6, 1941 - Mar 26, 1995)
Gradnauer, Arno (Jun 4, 1904 - Nov 1981) Gradnauer, Susanne (Dec 31, 1911 - Jun 22, 1995) Gradnauer, Julia (Jan 1, 1894 - Oct 1976)
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