Science on the 30th of November 1929 in history

Science

Date	Type	Text
30 Nov 1929 Bernhard Schmidt	science	Bernhard Schmidt (astronomy and space ) Bernhard Schmidt invents the Schmidt Camera.
30 Nov 1929 Sydney Chapman	science	Sydney Chapman (atmospheric sciences) Sydney Chapman explains the ozone-oxygen cycle, the process by which ozone is continually regenerated in Earth's stratosphere.
30 Nov 1929 Soviet	science	Soviet (history of science) Soviet Orientalist Vasily Vasilievich Struve, with Boris Turaev, provides solutions to the problems in the Moscow Mathematical Papyrus.
30 Nov 1929 Vojtěch Jarník	science	Vojtěch Jarník (mathematics) Vojtěch Jarník first discovers 'Prim's algorithm'.
30 Nov 1929 Kazimierz Kuratowski	science	Kazimierz Kuratowski (mathematics) Kazimierz Kuratowski characterizes his planar graph theorem.
30 Nov 1929 Bartel van der Waerden	science	Bartel van der Waerden (mathematics) Bartel van der Waerden publishes Moderne Algebra.
30 Nov 1929 DPT vaccine	science	DPT vaccine (medicine) DPT vaccine (against diphtheria, tetanus and pertussis) is first used.
30 Nov 1929 Israel Aharoni	science	Israel Aharoni (zoology) Israel Aharoni collects golden hamsters near Aleppo from which all modern domesticated specimens will be bred.

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