Who discovered the element Radon?

who was the first person to find the element Radon?
Asked Dec 14, 2009
Edited Dec 14, 2009
Radon was discovered by Friedrich Ernst Dorn, a German chemist, in 1900 while studying radium's decay chain. Originally named niton after the Latin word for shining, nitens, radon has been known as radon since 1923. Today, radon is still primarily obtained through the decay of radium.

Source: http://education.jlab.org/itselemental/ele086.html
Answered Dec 14, 2009
You can find more information about what radon is, how radon occurs, why it is harmful, not least how you can make radon measurements in your own home. (Her finner du mer informasjon om hva radon er, hvordan radon oppstÄr, hvorfor det er helseskadelig og ikke minst hvordan du selv kan foreta radonmÄling I ditt eget hjem.)

TIP: If it's not your answer to this question, please click "Leave a Comment" button under the question to communicate with the question owner.