- 1840 in science
The year 1840 in
science andtechnology involved some significant events, listed below.Astronomy
*
John William Draper inventsastronomical photography and photographs theMoon Exploration
*Adelie land first visited by
Jules Dumont d'Urville and claimed forFrance Geology
*
Louis Agassiz publishes his "Studies on Glaciers"Technology
*
William Fox Talbot invented the positive / negative process of photography used in all modern photography. He refers to this asphotogenic drawing Awards
*
Copley Medal :Justus Liebig
*Wollaston Medal :Andre Hubert Dumont Births
*
February 4 -Hiram Maxim (d. 1916),inventor of themachine gun .
*February 5 -John Boyd Dunlop (d. 1921),inventor .
*February 10 -Per Teodor Cleve (d. 1905),chemist .
*March 28 -Emin Pasha (d. 1892), explorer.
*August 4 -Richard von Krafft-Ebing (d. 1902),sexologist .Deaths
*
March 2 -Heinrich Wilhelm Matthäus Olbers (b. 1758),astronomer .
*March 23 -William Maclure (b. 1763),geologist .
*April 25 -Simeon Poisson (b. 1781),mathematician .
Wikimedia Foundation. 2010.