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Leon Hayman 1900 - 1986

Leon Hayman of Buffalo, Erie County, NY was born on October 23, 1900, and died at age 86 years old in November 1986.
Leon Hayman
Buffalo, Erie County, NY 14202
October 23, 1900
November 1986
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Leon Hayman's History: 1900 - 1986

Uncover new discoveries and connections today by sharing about people & moments from yesterday.
  • 10/23
    1900

    Birthday

    October 23, 1900
    Birthdate
    Unknown
    Birthplace
  • 11/dd
    1986

    Death

    November 1986
    Death date
    Unknown
    Cause of death
    Unknown
    Death location
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  • Did you know?
    Leon Hayman lived 11 years longer than the average family member when died at the age of 86.
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Did you know?
In 1900, in the year that Leon Hayman 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 1914, at the age of only 14 years old, Leon was alive when in August, the world's first red and green traffic lights were installed at the corner of East 105th Street and Euclid Avenue in Cleveland Ohio. The electric traffic light had been invented by a policeman in Salt Lake City Utah in 1912.
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Leon Hayman's Family Tree & Friends

Leon Hayman's Family Tree

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Friendships

Leon's Friends

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