Template:Selected anniversaries/April 25: Difference between revisions

From Gnomon Chronicles
Jump to navigation Jump to search
No edit summary
No edit summary
Line 34: Line 34:
File:Guglielmo Marconi.jpg|link=Guglielmo Marconi (nonfiction)|1874: Businessman and inventor [[Guglielmo Marconi (nonfiction)|Guglielmo Marconi]] born.  He will share the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".
File:Guglielmo Marconi.jpg|link=Guglielmo Marconi (nonfiction)|1874: Businessman and inventor [[Guglielmo Marconi (nonfiction)|Guglielmo Marconi]] born.  He will share the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".


||Johann Karl Friedrich Zöllner (d. 25 April 1882) was a German astrophysicist who studied optical illusions. He was also an early psychical investigator. Pic.
||1882: Johann Karl Friedrich Zöllner born ... astrophysicist who studied optical illusions. He was also an early psychical investigator. Pic.


||1900 Wolfgang Pauli, Austrian-Swiss-American physicist and academic, Nobel Prize laureate (d. 1958)
||1900: Wolfgang Pauli born ... physicist and academic, Nobel Prize laureate.


||1901 New York becomes the first U.S. state to require automobile license plates.
||1901: New York becomes the first U.S. state to require automobile license plates.


File:800px-Nebra_Schwerter.jpg|link=Weapon (nonfiction)|1902: Army research laboratories [[Weapon (nonfiction)|convert modern plowshares into ancient swords]].  Military contractors call technique "Astonishing breakthrough."
File:800px-Nebra_Schwerter.jpg|link=Weapon (nonfiction)|1902: Army research laboratories [[Weapon (nonfiction)|convert modern plowshares into ancient swords]].  Military contractors call technique "Astonishing breakthrough."
Line 46: Line 46:
File:Srinivasa Ramanujan.jpg|link=Srinivasa Ramanujan (nonfiction)|1904: Mathematician, theorist, and crime-fighter [[Srinivasa Ramanujan (nonfiction)|Srinivasa Ramanujan]] uses the the Ramanujan theta function to detect and prevent [[crimes against mathematical constants]].
File:Srinivasa Ramanujan.jpg|link=Srinivasa Ramanujan (nonfiction)|1904: Mathematician, theorist, and crime-fighter [[Srinivasa Ramanujan (nonfiction)|Srinivasa Ramanujan]] uses the the Ramanujan theta function to detect and prevent [[crimes against mathematical constants]].


||Donald Clayton Spencer (b. April 25, 1912) was an American mathematician, known for work on deformation theory of structures arising in differential geometry, and on several complex variables from the point of view of partial differential equations.  
||1912: Donald Clayton Spencer born ... mathematician, known for work on deformation theory of structures arising in differential geometry, and on several complex variables from the point of view of partial differential equations. Pic: https://www.geni.com/people/Donald-Spencer/6000000000566571886


||1918 Gérard de Vaucouleurs, French-American astronomer and academic (d. 1995)
||1918: Gérard de Vaucouleurs born ... astronomer and academic.


||1931 Felix Berezin, Russian mathematician and physicist (d. 1980)
||1931: Felix Berezin born ... mathematician and physicist.


||1938 – Roger Boisjoly, American aerodynamicist and engineer (d. 2012)
||1938 – Roger Boisjoly, American aerodynamicist and engineer (d. 2012)

Revision as of 12:55, 21 August 2018