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Births on July 1

William Duddell
1872Jul, 1

William Duddell

William Duddell, English physicist and engineer (d. 1917)
William Du Bois Duddell (1 July 1872, in Kensington, London – 4 November 1917, in Wandsworth, London) was an English physicist and electrical engineer. His inventions include the moving coil oscillograph, as well as the thermo-ammeter and thermo-galvanometer.

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Events on 1872

  • 5Mar

    Railway air brake

    George Westinghouse patents the air brake.
  • 22Mar

    Gender equality

    Illinois becomes the first state to require gender equality in employment.
  • 22May

    Amnesty Act

    Reconstruction Era: President Ulysses S. Grant signs the Amnesty Act into law, restoring full civil and political rights to all but about 500 Confederate sympathizers.
  • 18Nov

    United States presidential election, 1872

    Susan B. Anthony and 14 other women are arrested for illegal voting in the United States presidential election of 1872.
  • 9Dec

    P. B. S. Pinchback

    In Louisiana, P. B. S. Pinchback becomes the first African-American governor of a U.S. state.