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Walter Roos 1900 - 1970

Walter Roos of Louisville, Jefferson County, Kentucky was born on May 30, 1900, and died at age 69 years old in April 1970.
Walter Roos
Louisville, Jefferson County, Kentucky 40217
May 30, 1900
April 1970
Male
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Walter Roos' History: 1900 - 1970

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  • 05/30
    1900

    Birthday

    May 30, 1900
    Birthdate
    Unknown
    Birthplace
  • 04/dd
    1970

    Death

    April 1970
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Walter Roos lived 7 years shorter than the average family member when died at the age of 69.
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Did you know?
In 1900, in the year that Walter Roos 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 1918, he was 18 years old when following European countries, Daylight Saving Time went into effect in the United States in March. It was an effort to conserve fuel needed to produce electric power. This was a war effort and proved unpopular so in most areas of the United States, Daylight Saving Time ended after World War I. It returned during World War II.
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Walter Roos' Family Tree & Friends

Walter Roos' Family Tree

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