Friedrich Ernst Dorn
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Friedrich Ernst Dorn was a German physicist. He is best remembered for his discovery that radium emits a radioactive substance, later named radon.
Friedrich Ernst Dorn
Frederick Soddy
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Frederick Soddy FRS was an English radiochemist who explained, with Ernest Rutherford, that radioactivity is due to the transmutation of elements, now known to involve nuclear reactions. He also prove
Friedrich Ernst Dorn
…a radioactive material was emitted by thorium, and discovered that a similar emission arose from the element radium. Additional work by Rutherford and Soddy showed that the same emission came from both thorium and radium, that it was a gas, and that it was actually a new element. Dorn called the radioactive…
Soddy in 1921