Radon

By care95
  • Mar 1, 1527

    Georg Bauer

    He was a major help in discovering advances in safety factors.
  • Mar 1, 1541

    Mountain Sickness

    Miners were getting "Mountain Sickness" from radioactive substances in the earth

  • Cancer Deaths in miners

    In 1869-1877 75% of miners died from lung cancer

  • "Mountain Sickness" was discovered

    Mountain Sickness was founded to be a cancerous tumor

  • Discovery of X-Rays

  • Ernest Rutherford

    Discovered the element Radon

  • Friedrich Ernst Dorn

    Orgionally named Radon "radium emanation"

  • Cancer frequency

    There was an increase in cancer frequency due to "Mountain sickness" in miners

  • Cause of Cancer

    Radioactivity was the believed cause of cancer in miners

  • Radon

    The element name was offically changed to Radon

  • Published in the American Journal

    Miners lung cancer tumors were found to be caused by Radon.

  • William Bale

    Miners that got lung cancer were exposed to much larger doses of Radon then the avrage person

  • Dr. John Harley

    discovered radon in the products they were using was harming the miners more than the radon gases they were exposed to.

  • Public health service warning

    published a pamphlet on hazards of radon exposure and how to prevent it to the general public.

  • Radon level's in mines

    In the 1920-30's Radon was discovered in mines, and this was later linked to the cause of cancer in miners.