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Births on August 14

Arthur Jeffrey Dempster
1886Aug, 14

Arthur Jeffrey Dempster

Arthur Jeffrey Dempster, Canadian-American physicist and academic (d. 1950)
Arthur Jeffrey Dempster (August 14, 1886 – March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery in 1935 of the uranium isotope 235U.

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Events on 1886

  • 23Feb

    Julia Brainerd Hall

    Charles Martin Hall produced the first samples of man-made aluminum, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
  • 27Mar

    Apache Wars

    Geronimo, Apache warrior, surrenders to the U.S. Army, ending the main phase of the Apache Wars.
  • 29May

    John Pemberton

    The pharmacist John Pemberton places his first advertisement for Coca-Cola, which appeared in The Atlanta Journal.
  • 10Jun

    Pink and White Terraces

    Mount Tarawera in New Zealand erupts, killing 153 people and burying the famous Pink and White Terraces. Eruptions continue for three months creating a large, 17 km long fissure across the mountain peak.
  • 30Jun

    Port Moody, British Columbia

    The first transcontinental train trip across Canada departs from Montreal. It arrives in Port Moody, British Columbia on July 4.