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Ruth E Janson 1900 - 1991

Ruth E Janson was born on February 23, 1900, and died at age 91 years old on October 20, 1991. Family, friend, or fan, this family history biography is for you to remember Ruth E Janson.
Ruth E Janson
February 23, 1900
October 20, 1991
Female
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Ruth E Janson's History: 1900 - 1991

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  • 02/23
    1900

    Birthday

    February 23, 1900
    Birthdate
    Unknown
    Birthplace
  • 10/20
    1991

    Death

    October 20, 1991
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Ruth E Janson lived 16 years longer than the average family member when died at the age of 91.
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Did you know?
In 1900, in the year that Ruth E Janson 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 1942, she was 42 years old when on June 17th, Roosevelt approved the Manhattan Project, which lead to the development of the first atomic bomb. With the support of Canada and the United Kingdom, the Project came to employ more than 130,000 people and cost nearly $2 billion. Julius Robert Oppenheimer, a nuclear physicist born in New York, led the Los Alamos Laboratory that developed the actual bomb. The first artificial nuclear explosion took place near Alamogordo New Mexico on July 16, 1945.
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Ruth Janson's Family Tree & Friends

Ruth Janson's Family Tree

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