Template:Selected anniversaries/July 12: Difference between revisions

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||1493: Hartmann Schedel's Nuremberg Chronicle, one of the best-documented early printed books, is published. Pic: woodcut.
||1493: Hartmann Schedel's ''Nuremberg Chronicle'', one of the best-documented early printed books, is published. Pic: woodcut.


||1664: Stefano della Bella dies ... engraver and etcher. Pic.
||1664: Stefano della Bella dies ... engraver and etcher. Pic.
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||1807: Thomas Hawksley born ... engineer and academic.
||1807: Thomas Hawksley born ... engineer and academic.


||1813: Claude Bernard born ... physiologist and academic.
||1813: Claude Bernard born ... physiologist and academic. Bernard was among the first to suggest the use of blind experiments to ensure the objectivity of scientific observations. He originated the term ''milieu intérieur'', and the associated concept of homeostasis. Pic.


||1863: Albert Calmette born ... physician, bacteriologist, and immunologist.
||1863: Albert Calmette born ... physician, bacteriologist, and immunologist.


||1863 Paul Drude, German physicist and academic (d. 1906)  In 1894 he was responsible for introducing the symbol "c" for the speed of light in a perfect vacuum.
||1863: Paul Drude born ... physicist and academic. In 1894 he was responsible for introducing the symbol "c" for the speed of light in a perfect vacuum.


||1868: born Henri Abraham ... was a French physicist who made important contributions to the science of radio waves. He performed some of the first measurements of the propagation velocity of radio waves, helped develop France's first triode vacuum tube, and with Eugene Bloch invented the astable multivibrator.
||1868: Physicist Henri Abraham born. Abraham made important contributions to the science of radio waves. He performed some of the first measurements of the propagation velocity of radio waves, helped develop France's first triode vacuum tube, and with Eugene Bloch invented the astable multivibrator.


||1877: Georg Adolf Erman dies ... physicist. Pic.
||1877: Georg Adolf Erman dies ... physicist. Pic.

Revision as of 05:02, 12 April 2019