Template:Selected anniversaries/March 15: Difference between revisions

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||1898 – Henry Bessemer, English engineer and businessman (b. 1813)
||1898 – Henry Bessemer, English engineer and businessman (b. 1813)
||Elwin Bruno Christoffel (d. March 15, 1900) was a German mathematician and physicist. He introduced fundamental concepts of differential geometry, opening the way for the development of tensor calculus, which would later provide the mathematical basis for general relativity.


File:Heike Kamerlingh Onnes.jpg|link=Heike Kamerlingh Onnes (nonfiction)|1911: Physicist and crime-fighter [[Heike Kamerlingh Onnes (nonfiction)|Heike Kamerlingh Onnes]] uses liquid helium to freeze supervillain [[Neptune Slaughter]].
File:Heike Kamerlingh Onnes.jpg|link=Heike Kamerlingh Onnes (nonfiction)|1911: Physicist and crime-fighter [[Heike Kamerlingh Onnes (nonfiction)|Heike Kamerlingh Onnes]] uses liquid helium to freeze supervillain [[Neptune Slaughter]].

Revision as of 17:53, 4 November 2017