1899 in science

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The year 1899 in science and technology.

Contents 1 Astronomy 2 Chemistry 3 Physics 4 Mathematics 5 Medicine 6 Awards 7 Births 8 Deaths

[edit] Astronomy

• The 80 cm refracting telescope is completed at Potsdam Observatory.

[edit] Chemistry

• Actinium discovered by Andre Debierne.

[edit] 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.

[edit] Mathematics

• David Hilbert creates the modern concept of geometry with the publication of his book Grundlagen der geometrie.

[edit] Medicine

• Bubonic plague enters Brazil through the seaport of Santos.

[edit] Awards

• Copley Medal: Lord Rayleigh
• Wollaston Medal for Geology: Charles Lapworth

[edit] 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.

[edit] 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.