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1904 in science

The year 1904 in science and technology.

See also: 1903 in science, other events of 1904, 1905 in science and the list of years in science.

Table of contents

1 Astronomy
2 Physics
3 Births
4 Deaths

Astronomy

Edward Maunder plots the first sunspot "butterfly diagram"
Himalia, a moon of Jupiter, discovered at Lick Observatory

Physics

Vacuum tube invented by John Ambrose Fleming

Births

January 26 - Ancel Keys, nutritionist
March 20 - B. F. Skinner, behavioral psychologist (+ 1990)
April 22 - Robert Oppenheimer, physicist (+ 1967)
August 28 - Secondo Campini, Italian jet pioneer

Deaths

January 20 - Dmitri Ivanovich Mendeleev, Russian chemist and inventor of the Periodic table

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "1904 in science".