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Leonard R Hamm 1897 - 1990

Leonard R Hamm was born on February 11, 1897, and died at age 93 years old on April 10, 1990. Family, friend, or fan, this family history biography is for you to remember Leonard R Hamm.

Leonard R Hamm
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February 11, 1897
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April 10, 1990
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Updated: November 8, 2011
Biography ID: 74139470 What's this
Leonard R Hamm Leonard Hamm (1897 - 1990)
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Leonard R Hamm's History: 1897 - 1990

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  • 02/11
    1897

    Birthday

    February 11, 1897
    Birthdate
    Unknown
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  • 04/10
    1990

    Death

    April 10, 1990
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  • Did you know?
    Leonard R Hamm lived 22 years longer than the average family member when died at the age of 93.
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In 1897, in the year that Leonard R Hamm was born, in the January 22nd issue of "Engineering", the word "computer" was first used to refer to a mechanical calculation device. Previously - since the 17th century - the term computer meant "one who computes" and referred to human beings who worked with numbers.
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In 1900, at the age of just 3 years old, Leonard was alive when 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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Leonard Hamm's Family Tree & Friends

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Leonard R Hamm Feb 11, 1897 - Apr 10, 1990
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Other Biographies

Other Leonard Hamm Biographies

Hamm, Leonard (Apr 9, 1944 - Dec 10, 2009) Hamm, Leonard (Feb 12, 1914 - Aug 1980) Hamm, Leonard (Jul 10, 1896 - Jun 1966) Hamm, Leonard (Apr 24, 1905 - Jul 1971) Hamm, Leonard (Sep 26, 1906 - Oct 1964) Hamm, Leonard (May 7, 1899 - Apr 12, 1989) Hamm, Leonard (Sep 22, 1935 - Nov 10, 1999) Hamm, Leonard (Sep 1, 1903 - May 1956) Hamm, Leonard (Oct 15, 1895 - Feb 1972) Hamm, Leonard (Aug 17, 1911 - Aug 16, 2010)
Hamm, Leonard (Jun 1, 1917 - Dec 1973) Hamm, Leonard (Mar 28, 1911 - Oct 1973) Hamm, Leonard (Dec 10, 1907 - Nov 1976) Hamm, Leonard (Apr 26, 1911 - Sep 1985) Hamm, Leonard (Aug 21, 1923 - Mar 5, 1997) Hamm, Leonard (Mar 21, 1922 - Jun 26, 1991) Hamm, Leonard (Jan 11, 1903 - Apr 1973) Hamm, Leonard (Nov 14, 1929 - May 17, 1995) Hamm, Leonard (Jun 19, 1935 - Jul 1977) Hamm, Leonard (Apr 8, 1920 - Dec 26, 2003)

Other Hamm Family Biographies

Hamm, Mathias (Born Jul 1862) Hamm, Margaret (Sep 8, 1873 - 1911) Hamm, Walter (Jun 13, 1907 - Sep 1981) Hamm, Harold (Aug 23, 1912 - Oct 1970) Hamm, Gertrude (Jun 22, 1892 - Aug 1967) Hamm, Jennie (Apr 21, 1888 - Aug 1964) Hamm, Gordon (Feb 10, 1917 - Sep 1986) Hamm, Ralph (Jul 1, 1917 - Jun 1971) Hamm, William (Feb 26, 1926 - Jun 1980) Hamm, Forrest (Jun 24, 1911 - Jun 1975)
Hamm, Bernice (Mar 5, 1904 - Sep 1975) Hamm, Minnie (Oct 14, 1896 - Apr 1989) Hamm, Robert (Aug 24, 1923 - Jun 11, 1990) Hamm, Charles (Sep 20, 1922 - Jul 19, 2004) Hamm, Felicia (Oct 28, 1924 - Jan 28, 1994) Hamm, Dora (Dec 21, 1902 - May 1991) Hamm, Evelyn (May 11, 1920 - Mar 6, 2008) Hamm, Carol (Dec 4, 1952 - Sep 8, 2004) Hamm, Albert (Nov 14, 1915 - Mar 4, 1990) Hamm, Lloyd (Jul 24, 1890 - Oct 1966)
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