Template:Selected anniversaries/January 25: Difference between revisions

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File:Cathode ray tube amusement device schematic.jpg|link=Cathode-ray tube amusement device (nonfiction)|1947: Thomas Goldsmith Jr. files a patent for a "[[Cathode-ray tube amusement device (nonfiction)|Cathode Ray Tube Amusement Device]]", the first ever electronic game.
File:Cathode ray tube amusement device schematic.jpg|link=Cathode-ray tube amusement device (nonfiction)|1947: Thomas Goldsmith Jr. files a patent for a "[[Cathode-ray tube amusement device (nonfiction)|Cathode Ray Tube Amusement Device]]", the first ever electronic game.


||1951: Sergey Ivanovich Vavilov dies ... physicist, the President of the USSR Academy of Sciences from July 1945 until his death.
||1951: Sergey Ivanovich Vavilov dies ... physicist, the President of the USSR Academy of Sciences from July 1945 until his death. Pic: Postage stamp.


||1957: Kiyoshi Shiga dies ... physician and bacteriologist ... dysentary.
||1957: Kiyoshi Shiga dies ... physician and bacteriologist ... famous for the discovery of Shigella dysenteriae, the organism that causes dysentery, in 1897, during a severe epidemic in which more than 90,000 cases were reported, with a mortality rate approaching 30%. Pic.


||1960: Beno Gutenberg dies ... seismologist who made several important contributions to the science. He was a colleague and mentor of Charles Francis Richter at the California Institute of Technology and Richter's collaborator in developing the Richter magnitude scale for measuring an earthquake's magnitude.
||1960: Beno Gutenberg dies ... seismologist who made several important contributions to the science. He was a colleague and mentor of Charles Francis Richter at the California Institute of Technology and Richter's collaborator in developing the Richter magnitude scale for measuring an earthquake's magnitude.

Revision as of 08:52, 21 May 2019