Template:Selected anniversaries/February 25: Difference between revisions

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File:Samuel Colt.jpg|link=Samuel Colt (nonfiction)|1836: [[Samuel Colt (nonfiction)|Samuel Colt]] is granted a United States patent for the Colt revolver.
File:Samuel Colt.jpg|link=Samuel Colt (nonfiction)|1836: [[Samuel Colt (nonfiction)|Samuel Colt]] is granted a United States patent for the Colt revolver.
||Friedrich Richard Reinitzer (b. 25 February 1857) was an Austrian botanist and chemist. In late 1880s, experimenting with cholesteryl benzoate, he discovered properties of liquid crystals (named later by Otto Lehmann). Pic.


File:USS Cairo.jpg|link=USS Cairo (nonfiction)|1861: [[USS Cairo (nonfiction)|USS Cairo]] retrofitted with military [[Gnomon algorithm functions]].
File:USS Cairo.jpg|link=USS Cairo (nonfiction)|1861: [[USS Cairo (nonfiction)|USS Cairo]] retrofitted with military [[Gnomon algorithm functions]].
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||1901 – J. P. Morgan incorporates the United States Steel Corporation.
||1901 – J. P. Morgan incorporates the United States Steel Corporation.


||Geoffrey William Arnold Dummer, MBE (1945), C.Eng., IEE Premium Award, FIEEE, MIEE, USA Medal of Freedom with Bronze Palm (25 February 1909 – 9 September 2002) was an English electronics engineer and consultant who is credited as being the first person to conceptualise and build a prototype of the integrated circuit, commonly called the microchip, in the late-1940s and early 1950s.  
||Geoffrey William Arnold Dummer (b. 25 February 1909) was an English electronics engineer and consultant who is credited as being the first person to conceptualise and build a prototype of the integrated circuit, commonly called the microchip, in the late-1940s and early 1950s.  


||Karl H. Pribram (b. February 25, 1919) was a professor at Georgetown University, in the United States, an emeritus professor of psychology and psychiatry at Stanford University and distinguished professor at Radford University. Board-certified as a neurosurgeon, Pribram did pioneering work on the definition of the limbic system, the relationship of the frontal cortex to the limbic system, the sensory-specific "association" cortex of the parietal and temporal lobes, and the classical motor cortex of the human brain. He worked with Karl Lashley at the Yerkes Primate Center of which he was to become director later. He was professor at Yale University for ten years and at Stanford University for thirty years. To the general public, Pribram is best known for his development of the holonomic brain model of cognitive function and his contribution to ongoing neurological research into memory, emotion, motivation and consciousness. Pic.
||Karl H. Pribram (b. February 25, 1919) was a professor at Georgetown University, in the United States, an emeritus professor of psychology and psychiatry at Stanford University and distinguished professor at Radford University. Board-certified as a neurosurgeon, Pribram did pioneering work on the definition of the limbic system, the relationship of the frontal cortex to the limbic system, the sensory-specific "association" cortex of the parietal and temporal lobes, and the classical motor cortex of the human brain. He worked with Karl Lashley at the Yerkes Primate Center of which he was to become director later. He was professor at Yale University for ten years and at Stanford University for thirty years. To the general public, Pribram is best known for his development of the holonomic brain model of cognitive function and his contribution to ongoing neurological research into memory, emotion, motivation and consciousness. Pic.

Revision as of 13:15, 20 May 2018

  • 1836: Samuel Colt is granted a United States patent for the Colt revolver.

    1836: Samuel Colt is granted a United States patent for the Colt revolver.

  • 1861: USS Cairo retrofitted with military Gnomon algorithm functions.

    1861: USS Cairo retrofitted with military Gnomon algorithm functions.

  • 1971: Chemist and academic Theodor Svedberg dies. He was awarded the 1926 Nobel Prize in Chemistry for his pioneering use of analytical ultracentrifugation to distinguish pure proteins from one another.

    1971: Chemist and academic Theodor Svedberg dies. He was awarded the 1926 Nobel Prize in Chemistry for his pioneering use of analytical ultracentrifugation to distinguish pure proteins from one another.

  • 1972: Mathematician and academic Hugo Steinhaus dies. He "discovered" mathematician Stefan Banach, with whom he made notable contributions to functional analysis, including the Banach–Steinhaus theorem.

    1972: Mathematician and academic Hugo Steinhaus dies. He "discovered" mathematician Stefan Banach, with whom he made notable contributions to functional analysis, including the Banach–Steinhaus theorem.

  • 1999: Chemist Glenn T. Seaborg dies. He shared the 1951 Nobel Prize in Chemistry for the synthesis, discovery, and investigation of transuranium elements.

    1999: Chemist Glenn T. Seaborg dies. He shared the 1951 Nobel Prize in Chemistry for the synthesis, discovery, and investigation of transuranium elements.

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