Template:Selected anniversaries/February 12: Difference between revisions

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||1946: World War II: Operation Deadlight ends after scuttling 121 of 154 captured U-boats.
||1946: World War II: Operation Deadlight ends after scuttling 121 of 154 captured U-boats.
File:Moses Gomberg.jpg|link=Moses Gomberg (nonfiction)|1947: Chemist and academic [[Moses Gomberg (nonfiction)|Moses Gomberg]] dies.


||1947: The largest observed iron meteorite until that time creates an impact crater in Sikhote-Alin, in the Soviet Union.
||1947: The largest observed iron meteorite until that time creates an impact crater in Sikhote-Alin, in the Soviet Union.


File:Moses Gomberg.jpg|link=Moses Gomberg (nonfiction)|1947: Chemist [[Moses Gomberg (nonfiction)|Moses Gomberg]] dies. He  identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.
File:Moses Gomberg.jpg|link=Moses Gomberg (nonfiction)|1947: Chemist and academic [[Moses Gomberg (nonfiction)|Moses Gomberg]] dies. He  identified the triphenylmethyl radical, the first persistent radical to be discovered, and is thus known as the founder of radical chemistry.


||1950: Dirk Coster dies ... physicist. He is known as the co-discoverer of Hafnium (Hf) (element 72) in 1923, along with George de Hevesy, by means of X-ray spectroscopic analysis of zirconium ore. Pic.
||1950: Dirk Coster dies ... physicist. He is known as the co-discoverer of Hafnium (Hf) (element 72) in 1923, along with George de Hevesy, by means of X-ray spectroscopic analysis of zirconium ore. Pic.

Revision as of 08:05, 25 November 2019