1840 In Science
See also:
Other events of 1840
List of years 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
Copley Medal
:
Justus Liebig
Wollaston Medal
:
Andre Hubert Dumont
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
April 25
-
Simeon Poisson
(b.
1781
),
mathematician
.
March 2
-
Heinrich Wilhelm Matthus Olbers
(b.
1758
),
astronomer
.
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