"Baron Pierre Charles Dupin" returned 16 hits

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Authors: Pierre de Fermat (1601-1665) & René Descartes (1596-1650)
Coordinate system reintroduced in mathematics, analytic geometry; relationship established between graphed line and equation
Mediaitems: Biographical sketch - Pierre de Fermat, Descartes portrait, Biographical sketch - Rene Descartes
Category: Statistics & Graphics
Authors: Pierre de Fermat (1601-1665) & Blaise Pascal (1623-1662)
Initial statements of the theory of probability
Mediaitems: Pascal portrait, Pascal biography, extract from
Category: Statistics & Graphics
Author: Charles de Fourcroy (1766-c.1810)
Use of geometric, proportional figures (squares) to compare demographic quantities by superposition, an early "tableau graphique''
Mediaitems: de Fourcroy's proportional squares, de Fourcroy's proportional squares, Description of de Fourcroy, from Palsky
Category: Statistics & Graphics
Author: Pierre-Simon, Marquis de Laplace (1749-1827)
The central limit theorem explains why many distributions tend to be close to the normal distribution. The key ingredient is that the random variable being observed should be the sum or mean of many independent identically distributed random variables.
Mediaitem: The Central Limit Theorem
Category: Statistics & Graphics
Author: Baron Pierre Charles Dupin (1784-1873)
Choropleth map with shadings from black to white (distribution and intensity of illiteracy in France), the first (unclassed) choropleth map, and perhaps the first modern statistical map. (This map dates from 1826 cite[Plate 1, vol. 2]{Dupin:1827} according to Robinson cite[p. 232]{Robinson:1982}, rather than 1819 according to Funkhouser cite{Funkhouser:1937})
Mediaitems: Dupin portrait, with his map, Dupin choropleth map of France
Category: Cartography
Author: Charles Babbage (1791-1871)
Mechanical device for calculating mathematical tables (the Difference Engine) [The beginnings of computing as we know it today. The Difference Engine was steam-powered, and the size of a locomotive.]
Mediaitems: Babbage portrait, Babbage Difference Engine, Babbage biography
Category: Technology
Author: Baron Pierre Charles Dupin (1784-1873)
Choropleth map with shadings from black to white (distribution and intensity of illiteracy in France), the first (unclassed) choropleth map, and perhaps the first modern statistical map
Mediaitems: Dupin portrait, Dupin choropleth map of literacy in France, Dupin cartogram map of France, Dupin biography
Category: Cartography
Author: Charles Wheatstone (1802-1875)
Invention of the stereoscope, revealing the dependence of visual depth perception upon binocular vision, and allowing production of stereoscopic images
Mediaitems: Charles Wheatstone portrait, Wheatstone biography, Wheatstone uses paper tape to store data, Stereoscopic photography
Category: Technology
Authors: Pierre-François Verhulst (1804-1849)
Development of the logistic curve, $ y = k / (1 + C e^)$, to describe the growth of human populations
Mediaitems: Verhulst bio, Pierre-Francois Verhulst et la loi logistique de la population, Verhulst portrait
Category: Statistics & Graphics
Author: Ada Lovelace (1815-1852)
Ada Lovelace was known as the first programmer for her work in 1843 with Charles Babbage. She wrote a series of instructions for his proposed machanical computer.
Mediaitems: Lovelace portrait, Brief Biography
Category: Technology
Author: Charles Joseph Minard (1781-1870)
"Tableau-graphique'' showing transportation of commercial traffic by variable-width (distance), divided bars (height $sim$ amount), area $sim$ cost of transport [An early form of the mosaic plot.]
Mediaitems: Minard biography, Minard Tableau graphique
Category: Statistics & Graphics
Author: Charles Joseph Minard (1781-1870)
Map incorporating statistical diagrams: circles proportional to coal production (published in 1861)
Mediaitem: Pie-map showing origin of meats consumed in Paris
Category: Cartography
Author: Charles Joseph Minard (1781-1870)
Minard, a visual engineer, was asked to investigate the cause of the collapse of the bridge at Bourg St. Andeol on the Rhone in 1840.
Mediaitem: Collapse of the bridge on the Rhone
Category: Statistics & Graphics
Author: Charles Joseph Minard (1781-1870)
Minard's flow map graphic of Napoleon's March on Moscow (called "the best graphic ever produced)
Mediaitems: Web page for "Re-visions of Charles Joseph Minard'', Minard's March on Moscow graphic
Category: Cartography
Author: Charles Lallemand (1857-1938)
Combination of many variables into multi-function nomograms, using 3D, juxtaposition of maps, parallel coordinate and hexagonal grids (L'Abaque Triomphe)
Mediaitems: Lallemand's "L'Abaque Triomphe'', Detailed biography (French), l'Ecole des mines: Lalanne "compteur universel'' and other calculating diagrams, Lallemand biography and portrait
Category: Statistics & Graphics
Author: Charles Booth (1840-1916)
Street maps of London, showing poverty and wealth by color coding, transforming existing methods of social survey and poverty mapping towards the end of the nineteenth century
Mediaitems: Booth portrait, Booth's poverty map, larger, Charles Booth: Mapping London's Poverty, 1885-1903, Portion of Booth's poverty map, Charles Booth Online Archive at LSE, Booth's 1889 London Poverty Map (digitized, zoomable), Charles Booth and poverty mapping in late nineteenth century London
Category: Cartography