1909 In Science

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1909 In Science

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1908 In Science

1909 in science

1910 In Science

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The year 1909 in Science and Technology included many events, some of which are listed below.

ARCHEAOLOGY

Discovery of the Burgess Shale Cambrian fossil site

ASTRONOMY

Comet Halley first becomes visible on a photographic plate.

GEOLOGY

Ernest Shackleton 's expedition finds the magnetic South Pole .

PHYSICS

Albert Einstein together with Marcel Grossmann starts to develop a theory which would bind Metric Tensor ''g''_ik, which defines a Space Geometry , with a source of gravity, that is with Mass

Hans Geiger and Ernest Marsden discover large angle deflections of alpha particles by thin metal foils

Ernest Rutherford and Thomas Royds demonstrate that alpha particles are doubly Ionized helium atoms

MEDICINE

Karl Landsteiner develops system of Blood Group s.

TECHNOLOGY

Leo Baekeland presents the Bakelite hard thermosetting Plastic

Einar Dessau uses a Short-wave Radio transmitter becoming the first to broadcast as a Ham Radio operator.

Louis Bleriot is the first man to fly across the English Channel in a heavier-than-air craft.

AWARDS

Nobel Prize s

--- Physics - Guglielmo Marconi , Karl Ferdinand Braun

--- Chemistry - Wilhelm Ostwald

--- Medicine - Emil Theodor Kocher

BIRTHS

January 5 - Stephen Cole Kleene (d. 1994 ), Mathematician .

April 13 - Stanislaw Marcin Ulam (d. 1984 ), Mathematician .

May 7 - Edwin H. Land (d. 1991 ), inventor and founder of Polaroid .

November 24 - Gerhard Gentzen (d. 1945 ), Mathematician .

Giulio Racah (d. 1965 ), Israeli Mathematician and Physicist .

DEATHS

January 12 - Hermann Minkowski (b. 1864 ), Mathematician .

July 11 - Simon Newcomb (b. 1835 ), Astronomer .

August 27 - Emil Christian Hansen (b. 1842 ), Fermentation Physiologist .