1920 In Science

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1920 In Science

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1919 In Science

1920 in science

1921 In Science

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The year 1920 in Science and Technology consisted of many events, some of which are included below.

BIOLOGY

Andrew Douglass proposes Dendrochronology dating.

METEOROLOGY

Milutin Milankovic proposes that long term climatic cycles may be due to changes in the eccentricity of the Earth's orbit and changes in the Earth's obliquity.

PHYSICS

Meghnad Saha states his ionization equation

Albert Einstein delivers his Leiden Lecture

Ernest Rutherford predicts the existence of the neutron.

Arthur Eddington 's observation of a total eclipse of the Sun seems to confirm the "bending of light" in Einstein's theory of Special Relativity.

James Jeans discovers that the dynamical constants of motion determine the distribution function for a system of particles.

TECHNOLOGY

The first transatlantic two-way Radio broadcast is made.

First domestic radio sets come to stores in USA – Westinghouse radio costs $10

NOBEL PRIZES

Charles Edouard Guillaume is awarded the Nobel Prize For Physics

Schack August Steenberg Krogh is awarded the Nobel Prize For Medicine

Walther Hermann Nernst is awarded the Nobel Prize For Chemistry

BIRTHS

January 2 - Isaac Asimov (d. 1992 ), Author .

February 7 - An Wang (d. 1990 ), Computer designer.

DEATHS

February 20 - Robert Peary (b. 1856 ), American Polar Explorer .

June 14 - Max Weber (b. 1864 ), Sociologist .