Portrait of Walter Noddack

Adapted from ⁠an image by www.uni-bamberg.de (public domain), via Wikimedia Commons.

1893–1960

Walter Noddack

Discovered rhenium in 1925.

Element

75ReRhenium
1925

In 1925 Walter Noddack, Ida Tacke (later Noddack) and Otto Berg, in Berlin, found element 75 as an impurity in minerals such as gadolinite. It was the last stable element found in nature, and they named it rhenium, after the Rhine.

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