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.
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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