Template:Selected anniversaries/February 28: Difference between revisions

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||1929: Clemens von Pirquet dies ... physician and immunologist. He noticed that patients who had previously received injections of horse serum or smallpox vaccine had quicker, more severe reactions to a second injection. He, along with Béla Schick, coined the word ''allergy'' to describe this hypersensitivity reaction. Pic.
||1929: Clemens von Pirquet dies ... physician and immunologist. He noticed that patients who had previously received injections of horse serum or smallpox vaccine had quicker, more severe reactions to a second injection. He, along with Béla Schick, coined the word ''allergy'' to describe this hypersensitivity reaction. Pic.
||Mathematician Louis Nirenberg born ... made fundamental contributions to linear and nonlinear partial differential equations (PDEs) and their application to complex analysis and geometry. Pic.


||1932: Guillaume Bigourdan dies ... astronomer and academic. Pic.
||1932: Guillaume Bigourdan dies ... astronomer and academic. Pic.

Revision as of 05:25, 7 April 2020