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Mary D Cohn 1900 - 2000

Mary D Cohn of Windsor, Sonoma County, CA was born on May 4, 1900, and died at age 99 years old on February 24, 2000.

Mary D Cohn
Name
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Windsor, Sonoma County, CA 95492
Last residence
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May 4, 1900
Birth
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February 24, 2000
Death
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Female
Looking for another Mary Cohn?
Updated: November 12, 2011
Biography ID: 87272257 What's this
Mary D Cohn Mary Cohn (1900 - 2000)
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Mary D Cohn's History: 1900 - 2000

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  • 05/4
    1900

    Birthday

    May 4, 1900
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    Unknown
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  • 02/24
    2000

    Death

    February 24, 2000
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  • Did you know?
    Mary D Cohn lived 22 years longer than the average family member when died at the age of 99.
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In 1900, in the year that Mary D Cohn 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 1916, at the age of 16 years old, Mary was alive when visiting nurse Margaret Sanger opened the first birth control clinic in the U.S. at 46 Amboy St. in Brooklyn New York. Ten days after the clinic opened, Sanger was arrested for "violating laws against giving out birth control information" which was defined as obscenity. The clinic was not handing out birth control - just information about sex and birth control methods. (The Comstock law categorized information about abortion, family planning, and contraception as “obscene”.) The clinics and organizations that Sanger established later evolved into the Planned Parenthood Federation of America.
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Mary Cohn's Family Tree & Friends

Mary Cohn's Family Tree

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Mary D Cohn May 4, 1900 - Feb 24, 2000
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Other Biographies

Other Mary Cohn Biographies

Cohn, Mary (Mar 4, 1909 - Jan 15, 1959) Cohn, Mary (Jul 2, 1910 - Nov 1984) Cohn, Mary (Oct 1, 1892 - Aug 1974) Cohn, Mary (May 27, 1884 - Apr 1983) Cohn, Mary (Mar 2, 1909 - Mar 17, 2007) Cohn, Mary (Oct 3, 1902 - Apr 7, 1991) Malone Cohn, Mary (Mar 25, 1917 - Oct 4, 1990) Cohn, Mary (May 23, 1911 - Dec 23, 2004) Cohn, Mary (Nov 21, 1921 - Oct 19, 2006) Cohn, Mary (Nov 29, 1911 - Jul 1983)
Cohn, Mary (Aug 8, 1926 - Aug 8, 2009) Cohn, Mary (Nov 7, 1929 - Jan 2, 2010) Cohn, Mary (Feb 29, 1900 - Aug 1987) Cohn, Mary (Feb 15, 1886 - May 1970) Cohn, Mary (Sep 26, 1912 - Oct 1985) Cohn, Mary (May 31, 1909 - May 7, 1991) Cohn, Mary (Aug 1, 1893 - May 15, 1972) Cohn, Mary (Mar 18, 1897 - May 1985) Cohn, Mary (Jun 4, 1907 - Nov 1, 1999) Cohn, Mary (Oct 4, 1901 - Aug 13, 1990)

Other Cohn Family Biographies

Cohn, Edith (May 30, 1916 - Apr 1, 2004) Cohn, Bernard (Dec 22, 1918 - Sep 17, 2004) Cohn, Josephine (Apr 18, 1901 - Nov 1985) Cohn, Dorothy (Jan 29, 1910 - Apr 1977) Cohn, Natalie (Sep 11, 1924 - May 28, 1995) Cohn, William (May 20, 1926 - Oct 12, 1995) Cohn, Samuel (May 28, 1992 - Nov 21, 2006) Cohn, Pauline (Apr 23, 1921 - Dec 30, 1989) Cohn, Meta (Jun 23, 1888 - Feb 1968) Cohn, Lilian (Apr 29, 1904 - Jun 1995)
Cohn, Abraham (May 24, 1898 - May 1966) Cohn, Arlene (Sep 24, 1947 - Apr 1977) Cohn, Virginia (Apr 23, 1909 - Aug 1992) Cohn, Estelle (Dec 11, 1899 - Mar 25, 1988) Cohn, Shirlie (Jan 28, 1919 - Jun 1993) Cohn, Rose (Jul 26, 1917 - Nov 20, 1989) Cohn, Helen (Jan 6, 1912 - Mar 24, 1993) Cohn, Gertrude (Jan 24, 1898 - Mar 1979) Cohn, Marilyn (Jun 4, 1936 - Dec 14, 2009) Cohn, Rebekah (Dec 4, 1893 - May 1976)
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