1899 in science
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Other events of 1899
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1898 in science
1899 in science
1900 in science
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The year 1899 in science and technology.
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Astronomy
- The 80 cm refracting telescope is completed at Potsdam Observatory.
Chemistry
- Actinium discovered by Andre Debierne.
Physics
- Ernest Rutherford classifies two types of radiation, alpha rays and beta rays.
- Henri Becquerel discovers that radiation from uranium consists of charged particles and can be deflected by magnetic fields.
Mathematics
- David Hilbert creates the modern concept of geometry with the publication of his book Grundlagen der geometrie.
Medicine
- Bubonic plague enters Brazil through the seaport of Santos.
Awards
Births
- January 12 - Paul Hermann Müller (d. 1965), chemist, winner of the Nobel Prize in Physiology or Medicine in 1948.
- February 27 - Charles Best (d. 1978), medical scientist.
Deaths
- January 4 - Henry Alleyne Nicholson (b. 1844), British palaeontologist and zoologist.
- February 18 - Sophus Lie (b. 1842), Norwegian mathematician.
- March 18 - Othniel Charles Marsh (b. 1831), paleontologist.
- August 16 - Robert Bunsen (b. 1811), German Chemist, perfector of the bunsen burner.