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Rudolf Minkowski : ウィキペディア英語版 | Rudolph Minkowski
Rudolph Minkowski (born Rudolf Leo Bernhard Minkowski; May 28, 1895 – January 4, 1976) was a German-American astronomer. Minkowski was the son of Marie Johanna Siegel and physiologist Oskar Minkowski.〔(Notable Scientists from 1900 to the Present: I–M )〕〔(The Concise Dictionary of American Jewish Biography )〕 His uncle was Hermann Minkowski. Rudolph studied supernovae and, together with Walter Baade, divided them into two classes (Type I and Type II) based on their spectral characteristics. He and Baade also found optical counterparts to various radio sources. He headed the National Geographic Society – Palomar Observatory Sky Survey, a photographic atlas of the entire northern sky (and down to declination -22°) up to magnitude 22. He co-discovered the Apollo asteroid 1620 Geographos, and also discovered Planetary Nebula M2-9. He won the Bruce Medal in 1961. The crater Minkowski on the Moon is named after him and his uncle. ==Bibliography==
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