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Births on February 28

Leon Cooper
1930Feb, 28

Leon Cooper

Leon Cooper, American physicist and academic, Nobel Prize laureate
Leon N. Cooper (born February 28, 1930) is an American physicist and Nobel Prize laureate who, with John Bardeen and John Robert Schrieffer, developed the BCS theory of superconductivity. His name is also associated with the Cooper pair and co-developer of the BCM theory of synaptic plasticity.

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Events on 1930

  • 12Mar

    Salt March

    Mahatma Gandhi begins the Salt March, a 200-mile march to the sea to protest the British monopoly on salt in India
  • 6Apr

    Salt Satyagraha

    Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire," beginning the Salt Satyagraha.
  • 7Jul

    Hoover Dam

    Industrialist Henry J. Kaiser begins construction of Boulder Dam (now known as Hoover Dam).
  • 6Sep

    Hipólito Yrigoyen

    Democratically elected Argentine president Hipólito Yrigoyen is deposed in a military coup.
  • 24Oct

    Getúlio Vargas

    A bloodless coup d'état in Brazil ousts Washington Luís Pereira de Sousa, the last President of the First Republic. Getúlio Vargas is then installed as "provisional president".