Template:Selected anniversaries/October 19: Difference between revisions
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||1878: Irénée-Jules Bienaymé dies ... statistician. He built on the legacy of Laplace generalizing his least squares method. He contributed to the fields of probability and statistics, and to their application to finance, demography and social sciences. In particular, he formulated the Bienaymé–Chebyshev inequality concerning the law of large numbers and the Bienaymé formula for the variance of a sum of uncorrelated random variables. Pic. | ||1878: Irénée-Jules Bienaymé dies ... statistician. He built on the legacy of Laplace generalizing his least squares method. He contributed to the fields of probability and statistics, and to their application to finance, demography and social sciences. In particular, he formulated the Bienaymé–Chebyshev inequality concerning the law of large numbers and the Bienaymé formula for the variance of a sum of uncorrelated random variables. Pic. | ||
||1897: Salimuzzaman Siddiqui born ... chemist and scholar. | ||1897: Salimuzzaman Siddiqui born ... chemist and scholar. Siddiqui isolated unique chemical compounds from the Neem (Azadirachta indica), Rauwolfia, and various other Asian flora. Pic. | ||
File:Max Planck 1878.gif|link=Max Planck (nonfiction)|1900: [[Max Planck (nonfiction)|Max Planck]] discovers the law of black-body radiation (Planck's law). | File:Max Planck 1878.gif|link=Max Planck (nonfiction)|1900: [[Max Planck (nonfiction)|Max Planck]] discovers the law of black-body radiation (Planck's law). | ||
||1902: Alfred Richard Cecil Selwyn dies ... geologist and public servant. Pic. | ||1902: Alfred Richard Cecil Selwyn dies ... geologist and public servant. Pic. | ||
||1909: Cesare Lombroso dies ... criminologist and physician, founded the Italian school of criminology. Using concepts drawn from physiognomy, degeneration theory, psychiatry and Social Darwinism, Lombroso's theory of anthropological criminology essentially stated that criminality was inherited, and that someone "born criminal" could be identified by physical (congenital) defects, which confirmed a criminal as savage or atavistic. Pic. | |||
||1909: Marguerite Perey born ... physicist and chemist ... she discovered the element francium by purifying samples of lanthanum that contained actinium. Pic. | ||1909: Marguerite Perey born ... physicist and chemist ... she discovered the element francium by purifying samples of lanthanum that contained actinium. Pic. | ||
Revision as of 08:11, 31 March 2019
1433: Priest, humanist philosopher, and astrologer Marsilio Ficino born. His Florentine Academy, an attempt to revive Plato's Academy, will influence the direction and tenor of the Italian Renaissance and the development of European philosophy.
1900: Max Planck discovers the law of black-body radiation (Planck's law).
1910: Astrophysicist, astronomer, and mathematician Subrahmanyan Chandrasekhar born. He will share the 1983 Nobel Prize for Physics "for his theoretical studies of the physical processes of importance to the structure and evolution of the stars".
1973: Watergate scandal: President Richard Nixon rejects an Appeals Court decision that he turn over the Watergate tapes.