Bohuslav Brauner
Czech chemist
Died when: 79 years 283 days (957 months)Star Sign: Taurus
Bohuslav Brauner (May 8, 1855 – February 15, 1935) was a Czech chemist from the University of Prague, who investigated the properties of the rare earth elements, especially the determination of their atomic weights.
Brauner predicted the existence of the rare earth element promethium ten years before the existence of the gap was confirmed experimentally (although the element was still undiscovered).
In the 1880s, when he already had started lecturing in Prague, he still competed internationally in cycling races.
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