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Leo Devlin 1900 - 1978

Leo Devlin of Quincy, Norfolk County, MA was born on October 6, 1900, and died at age 78 years old in October 1978.

Leo Devlin
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Quincy, Norfolk County, MA 02169
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October 6, 1900
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October 1978
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Male
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Updated: October 3, 2011
Biography ID: 5063913 What's this
Leo Devlin Leo Devlin (1900 - 1978)
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Leo Devlin's History: 1900 - 1978

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  • 10/6
    1900

    Birthday

    October 6, 1900
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    Unknown
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  • 10/dd
    1978

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    October 1978
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    Leo Devlin lived 4 years longer than the average family member when died at the age of 77.
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In 1900, in the year that Leo Devlin 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 1911, he was merely 11 years old when the United States Supreme Court broke up Standard Oil in May. John D. Rockefeller established Standard Oil in 1870 and it was the largest oil refinery at the time. The Supreme Court found that Standard Oil of New Jersey (one of the many iterations of Standard Oil) was guilty of "monopolizing the petroleum industry through a series of abusive and anticompetitive actions". The Court broke up the several entities that comprised Standard Oil and they eventually became competing firms.
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Leo Devlin's Family Tree & Friends

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Leo Devlin Oct 6, 1900 - Oct 1978
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Other Biographies

Other Leo Devlin Biographies

Devlin, Leo (Feb 9, 1908 - Nov 27, 1993) Devlin, Leo (Oct 24, 1895 - Jan 1978) Devlin, Leo (Feb 12, 1892 - Apr 1980) Devlin, Leo (Oct 11, 1891 - Nov 1975) Devlin, Leo (Mar 15, 1894 - Apr 1966) Devlin, Leo (Apr 24, 1903 - Nov 10, 1999) Devlin, Leo (Aug 5, 1930 - Apr 2, 2004) Devlin, Leo (Jun 4, 1915 - Jun 26, 1997) Devlin, Leo (Jul 6, 1895 - Jan 1964)
Devlin, Leo (Aug 17, 1923 - Apr 1963) Devlin, Leo (Feb 11, 1893 - Apr 1978) Devlin, Leo (Feb 24, 1906 - Apr 1978) Devlin, Leo (Aug 31, 1903 - May 1985) Devlin, Leo (Feb 24, 1914 - Feb 19, 2004) Devlin, Leo (Dec 5, 1920 - Jul 24, 2004) Devlin, Leo (Jul 14, 1918 - Jul 23, 2003) Devlin, Leo (Aug 20, 1899 - Sep 1964) Devlin, Leo (Jul 20, 1897 - Feb 1979)

Other Devlin Family Biographies

Devlin, Andrew (Born Aug 20, 1885) Devlin, John (Born Apr 6, 1877) Devlin, Patrick (Born Dec 16, 1893) Devlin, Isabella (Born Jan 23, 1854) Devlin, Henry (Born Mar 23, 1883) Devlin, Martin (Sep 17, 1891 - Sep 1970) Devlin, James (Born Sep 16, 1881) Devlin, Bernard (Born Apr 26, 1889) Devlin, Edward (Born Jun 14, 1879) Devlin, Thomas (Born Jul 21, 1874)
Devlin, Margaret (Born Oct 5, 1904) Devlin, Isobel (Born c. 1907) Devlin, Michael (Born Mar 27, 1911) Devlin, Mary (Born Sep 3, 1912) Devlin, Marie (Jun 21, 1898 - Dec 1974) Devlin, Dominic (May 1, 1904 - Jul 1968) Devlin, William (Nov 22, 1901 - Feb 1970) Devlin, John (Nov 14, 1907 - Oct 1976) Devlin, Mary (Mar 4, 1907 - Jul 4, 1995) Devlin, Evelyn (Apr 2, 1915 - Apr 18, 1999)
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