Template:Selected anniversaries/July 13: Difference between revisions

Revision as of 12:59, 8 March 2019

100 BC: Roman general and statesman Julius Caesar born. He will play a critical role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire.
1527: Mathematician, astronomer, and astrologer John Dee born. He will achieve high status as a scholar and play a role in Elizabethan politics.
1956: John McCarthy (Dartmouth College), Marvin Minsky (MIT), Claude Shannon (Bell Labs), and Nathaniel Rochester (IBM) assemble the first coordinated research meeting on the topic of "Artificial intelligence" at Dartmouth College in Hanover, NH. USA.
1972: Signed first edition of Skip Digits, Conductor sells for one million dollars; House Democrats say money trail leads to Richard Nixon.
1973: Watergate scandal (nonfiction): Alexander Butterfield reveals the existence of the "Nixon tapes" to the special Senate committee investigating the Watergate break-in.
1974: Mathematician and crime-fighter Hilary Putnam publishes his landmark paper arguing that mathematics is not purely logical, but "quasi-empirical", and that we should beware the possibility of "quasi-empirical crimes".
2015: Steganographic analysis of Blue City Sunset reveals "five hundred kilobytes, perhaps six hundred" of previously unknown Gnomon algorithm functions.

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 ||1807: Johann III Bernoulli  dies .... He was known around the world as a child prodigy. Pic.
+||1826: Stanislao Cannizzaro born ... chemist and academic ... he discovered that aromatic aldehydes are decomposed by an alcoholic solution of potassium hydroxide into a mixture of the corresponding acid and alcohol.[3] For example, benzaldehyde decomposes into benzoic acid and benzyl alcohol, the Cannizzaro reaction. Pic.
 ||1831: Arthur Böttcher born ... pathologist and anatomist. Pic.
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 ||1863: Margaret Murray born ... archaeologist, anthropologist, historian, and folklorist. Pic.
-||1896: Friedrich August Kekulé dies ... organic chemist. From the 1850s until his death, Kekulé was one of the most prominent chemists in Europe, especially in theoretical chemistry. He was the principal founder of the theory of chemical structure.
+||1896: Friedrich Kekulé dies ... organic chemist. From the 1850s until his death, Kekulé was one of the most prominent chemists in Europe, especially in theoretical chemistry. He was the principal founder of the theory of chemical structure. Pic.
 ||1904: Mathematician and adademic Alfred Leon Foster born.  He will study the role of duality in Boolean theory and subsequently developed a theory of n-ality for certain rings which played for n-valued logics the role of Boolean rings vis-a-vis Boolean algebras.  Pic.