Template:Selected anniversaries/April 5: Difference between revisions

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File:Blaise_de_Vigenère.png|link=Blaise de Vigenère (nonfiction)|1523: Cryptographer and diplomat '''[[Blaise de Vigenère (nonfiction)|Blaise de Vigenère]]''' born. The Vigenère cipher will be misattributed to him;  Vigenère himself will devise a different, stronger cipher.
File:Vincenzo Viviani.jpg|link=Vincenzo Viviani (nonfiction)|1622: Mathematician and scientist [[Vincenzo Viviani (nonfiction)|Vincenzo Viviani]] born. In 1660, Viviani and Giovanni Alfonso Borelli will conduct an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they will calculate a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi.
File:Vincenzo Viviani.jpg|link=Vincenzo Viviani (nonfiction)|1622: Mathematician and scientist [[Vincenzo Viviani (nonfiction)|Vincenzo Viviani]] born. In 1660, Viviani and Giovanni Alfonso Borelli will conduct an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they will calculate a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi.
File:William_Brouncker,_2nd_Viscount_Brouncker_by_Sir_Peter_Lely.jpg|link=William Brouncker, 2nd Viscount Brouncker (nonfiction)|1684: [[William Brouncker, 2nd Viscount Brouncker (nonfiction) (nonfiction)|William Brouncker]] dies.  Brouncker introduced Brouncker's formula, and was the first President of the Royal Society.


File:Joseph Lister 1902.jpg|link=Joseph Lister (nonfiction)|1827: Surgeon and scientist [[Joseph Lister (nonfiction)|Joseph Lister]] born. He will pioneer antiseptic surgery, performing the first antiseptic surgery in 1865.
File:Joseph Lister 1902.jpg|link=Joseph Lister (nonfiction)|1827: Surgeon and scientist [[Joseph Lister (nonfiction)|Joseph Lister]] born. He will pioneer antiseptic surgery, performing the first antiseptic surgery in 1865.
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File:Joseph Bertrand.jpg|link=Joseph Bertrand (nonfiction)|1900: Mathematician, economist, and academic [[Joseph Bertrand (nonfiction)|Joseph Louis François Bertrand]] dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.
File:Joseph Bertrand.jpg|link=Joseph Bertrand (nonfiction)|1900: Mathematician, economist, and academic [[Joseph Bertrand (nonfiction)|Joseph Louis François Bertrand]] dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.
File:Town Without Jetty.jpg|link=Town Without Jetty|'''''[[Town Without Jetty]]''''' wins the Outstanding Civil Engineering Achievement (OCEA) Award for Best Marine Civil Engineering Film of the Year.


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Latest revision as of 08:07, 5 April 2022

  • 1523: Cryptographer and diplomat Blaise de Vigenère born. The Vigenère cipher will be misattributed to him; Vigenère himself will devise a different, stronger cipher.

    1523: Cryptographer and diplomat Blaise de Vigenère born. The Vigenère cipher will be misattributed to him; Vigenère himself will devise a different, stronger cipher.

  • 1622: Mathematician and scientist Vincenzo Viviani born. In 1660, Viviani and Giovanni Alfonso Borelli will conduct an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they will calculate a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi.

    1622: Mathematician and scientist Vincenzo Viviani born. In 1660, Viviani and Giovanni Alfonso Borelli will conduct an experiment to determine the speed of sound. Timing the difference between the seeing the flash and hearing the sound of a cannon shot at a distance, they will calculate a value of 350 meters per second (m/s), considerably better than the previous value of 478 m/s obtained by Pierre Gassendi.

  • 1827: Surgeon and scientist Joseph Lister born. He will pioneer antiseptic surgery, performing the first antiseptic surgery in 1865.

    1827: Surgeon and scientist Joseph Lister born. He will pioneer antiseptic surgery, performing the first antiseptic surgery in 1865.

  • 1869: Physicist, mathematician, and engineer Sergey Chaplygin born. He will be known for mathematical formulas such as Chaplygin's equation, and for a hypothetical substance in cosmology called Chaplygin gas, named after him.

    1869: Physicist, mathematician, and engineer Sergey Chaplygin born. He will be known for mathematical formulas such as Chaplygin's equation, and for a hypothetical substance in cosmology called Chaplygin gas, named after him.

  • 1900: Mathematician, economist, and academic Joseph Louis François Bertrand dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.

    1900: Mathematician, economist, and academic Joseph Louis François Bertrand dies. He worked in the fields of number theory, differential geometry, probability theory, economics and thermodynamics.

  • Town Without Jetty wins the Outstanding Civil Engineering Achievement (OCEA) Award for Best Marine Civil Engineering Film of the Year.

    Town Without Jetty wins the Outstanding Civil Engineering Achievement (OCEA) Award for Best Marine Civil Engineering Film of the Year.

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