Wikipedia: 1844 in science

1844 in science
From Wikipedia, the free encyclopedia.

The year 1844 CE in science and technology included many events, some of which are listed here.

Astronomy

Friedrich Bessel explains the wobbling motions of Sirius and Procyon by suggesting that these stars have dark companions

Biology

Gabriel Gustav Valentin notes the digestive activity of pancreatic juice

Chemistry

Karl Klaus discovers ruthenium

Mathematics

Joseph Liouville finds the first transcendental number
Hermann Grassmann studys vectors with more than three dimensions

Technology

May 11 - Samuel Morse send the first message using Morse code
William Fox Talbot publishes the first photographic book , The Pencil of Nature

Awards

Copley Medal: Carlo Matteucci
Wollaston Medal for Geology: William Conybeare

Births

March 25 - Adolf Engler, German botanist († 1930)
April 20 - Ludwig Boltzmann, Austrian physicist famous for the invention of statistical mechanics († 1906)
August 6 - James Henry Greathead, British civil engineer († 1896)
August 13 - Friedrich Miescher, Swiss biologist († 1895)
August 22 - George Washington DeLong, Arctic explorer († 1881)
October 3 - Sir Patrick Manson, Scottish parasitologist, the "father of tropical medicine" († 1922)
November 25 - Karl Benz, German automobile engineer († 1929)

Deaths

June 19 - Etienne Geoffroy Saint-Hilaire, French naturalist (* 1772)
July 27 - John Dalton, English chemist and physicist (* 1766)
August 30 - Francis Baily, English astronomer (* 1774)
December 28 - Thomas Henderson, Scottish astronomer (* 1798)