1905 In Science
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''See also:''
Other Events Of 1905
List Of Years In Science
...
1904 In Science
1905 in science
1906 In Science
...
The year 1905 in
Science
and
Technology
included many events, some of which are listed below.
ASTRONOMY
January 2
-
Charles Dillon Perrine
at
Lick Observatory
discovers
Elara
, one of
Jupiter's Natural Satellites
.
The
Dominion Observatory
opens.
Various astronomers discover the
Minor Planets
554 Peraga
through
583 Klotilde
(see
List Of Asteroids/501-600
).
The
Nova
V604 Aquilae
appears in the
Constellation
Aquila
.
BIOLOGY
William Bateson
coins the term "
Genetics
" in a letter to
Adam Sedgwick
.
Nettie Stevens
and
Edmund Beecher Wilson
independently describe the
XY Sex-determination System
.
Stamen Grigorov
identifies the
Bacterium
''
Lactobacillus Bulgaricus
'', a major agent in the creation of
Yogurt
.
CHEMISTRY
Carl Von Linde
obtains pure
Liquid Oxygen
and
Nitrogen
by cooling air.
The first commercial production of
Calcium Nitrate
as a
Fertilizer
begins.
MATHEMATICS
Pierre Fatou
defines the
Mandelbrot Set
.
Oswald Veblen
proves the
Jordan Curve Theorem
.
Martin Kutta
describes the popular fourth-order
Runge-Kutta Method
.
James Cullen
,
S.J.
, begins the first studies of
Cullen Number
s.
Emanuel Lasker
proves the
Lasker–Noether Theorem
for the special case of
Polynomial Ring
s.
PALEONTOLOGY
The
Saurian Expedition
led by
John C. Merriam
recovers many specimens of
Ichthyosaur
.
''
Tyrannosaurus Rex
'' is described and named by
Henry Fairfield Osborn
.
PHYSICS
by
Quantization
and mathematically analyzes
Brownian Motion
. Because of this, 1905 is said to be the miraculous year for
Physics
, and also because of this,
2005
has been declared the
World Year Of Physics
.
TECHNOLOGY
Pathé Frères
colors black and white films by machine.
Alfred Buchi
files a patent for the
Turbocharger
.
Paul De Vivie
invents a two speed
Derailleur Gear
for
Bicycle
s.
Pipe
manufactures the first
Automobile
with a
Hemi Engine
.
Walter Griffiths
invents a manually-powered domestic
Vacuum Cleaner
.
AWARDS
Nobel Prize
s
---
Physics
-
Philipp Eduard Anton Von Lenard
---
Chemistry
-
Johann Friedrich Wilhelm Adolf Von Baeyer
---
Medicine
-
Robert Koch
BIRTHS
February 1
-
Emilio G. Segrè
(d.
1989
),
Physicist
, Nobel laureate
February 23
-
Derrick Henry Lehmer
(d.
1991
),
Mathematician
March 18
-
Thomas Townsend Brown
(d.
1985
),
Physicist
.
March 27
-
Elsie MacGill
(d.
1980
),
Aeronautical
Engineer
, "Queen of the Hurricanes".
April 13
-
Bruno Rossi
(d.
1993
),
Physicist
and
Astronomer
April 18
-
George H. Hitchings
(d
1998
), scientist, Nobel laureate in Medicine
April 20
-
Albrecht Unsöld
(d.
1995
),
Astronomer
August 1
-
Helen Sawyer Hogg
(d.
1993
),
Astronomer
August 11
-
Erwin Chargaff
(d.
2002
),
Biochemist
.
August 16
-
Marian Rejewski
(d.
1980
),
Mathematician
and
Cryptologist
August 31
-
Robert Bacher
(d.
2004
),
Nuclear Physicist
.
September 3
-
Carl David Anderson
(d.
1991
),
Physicist
, Nobel laureate
September 22
-
Eugen Sänger
(d.
1964
), aerospace engineer
September 24
-
Severo Ochoa
(d.
1993
),
Biochemist
, Nobel laureate
September 30
-
Nevill Francis Mott
(d.
1996
),
Physicist
, Nobel laureate
October 22
-
Karl Guthe Jansky
(d.
1950
),
Physicist
October 22 -
Albert Whitford
(d.
2002
),
Astronomer
October 23
-
Felix Bloch
(d.
1983
),
Physicist
, Nobel laureate
December 7
-
Gerard Kuiper
(d.
1973
),
Astronomer
December 16
-
Piet Hein
(d.
1996
),
Mathematician
DEATHS
January 4
-
Paul Henry
(b.
1848
),
Astronomer
January 14
-
Ernst Abbe
(b.
1840
, physicist
March 24
-
Jules Verne
(b.
1828
),
Science Fiction
author
April 14
-
Otto Wilhelm Von Struve
(b.
1819
),
Astronomer
June 18
-
Per Teodor Cleve
(b.
1840
),
Chemist
Ferdinand Von Richthofen
(b.
1833
),
Geologist
