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Roscoe Mckenna 1898 - 1973

Roscoe Mckenna of San Francisco, San Francisco County, California was born on February 8, 1898, and died at age 75 years old in November 1973.
Roscoe Mckenna
San Francisco, San Francisco County, California 94116
February 8, 1898
November 1973
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Roscoe Mckenna's History: 1898 - 1973

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  • 02/8
    1898

    Birthday

    February 8, 1898
    Birthdate
    Unknown
    Birthplace
  • 11/dd
    1973

    Death

    November 1973
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Roscoe Mckenna lived 2 years longer than the average family member when died at the age of 75.
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Did you know?
In 1898, in the year that Roscoe Mckenna was born, on March 24th, Robert Allison of Pennsylvania became the first person to buy an American-built car. He bought a Winton, which he had seen in an advertisement in Scientific American. The Winton, built in Ohio, was made by hand and came with a leather roof, padded seats, gas lamps, and tires made by B.F. Goodrich.
Did you know?
In 1905, he was merely 7 years old when the German born physicist, Albert Einstein, proposed the Special Theory of Relativity: 1) that observers can never detect uniform motion except relative to other objects and that 2) unlike the velocity of massive objects, the speed of light is a constant and is the same for all observers independent of their constant velocity toward or away from the light source. Not such simple concepts that lead to the equation everyone now knows: E = mc2.
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Roscoe Mckenna's Family Tree & Friends

Roscoe Mckenna's Family Tree

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Friendships

Roscoe's Friends

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 Followers & Sources

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