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Per Teodor Cleve - Biography

Per Teodor Cleve:

Per Teodor Cleve was a Swedish chemist and mineralogist.


February 10, 1840 in Stockholm, Sweden


June 18, 1905 in Uppsala, Sweden

Claim to Fame:

Cleve was a Swedish chemist and mineralogist who discovered the elements holmium and thulium. He also discovered the element didymium was not an element at all, but two separate elements, neodymium and praseodymium.

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