1840 In Science

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1840 In Science

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1839 In Science

1840 in science

1841 In Science

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The year 1840 in Science and Technology :

ASTRONOMY

John William Draper invents Astronomical Photography and photographs the Moon

EXPLORATION

Adelie Land first visited by Jules Dumont D'Urville and claimed for France

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 as Photogenic Drawing

AWARDS

BIRTHS

February 4 - Hiram Maxim (d. 1916 ), Inventor of the Machine 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 .