Walter Baade’s Discovery of the Two Stellar Populations

  • Donald E. Osterbrock
Conference paper
Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUS, volume 164)


Walter Baade was born one hundred and one years ago; he died in 1960, a third of a century ago. In my opinion he was the second most important observational astronomer of this century, after Edwin Hubble, who changed our place in the universe and our perception of it. I will give some of the evidence in this paper.


Globular Cluster Stellar Population Elliptical Galaxy Interstellar Extinction Total Solar Eclipse 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media Dordrecht 1995

Authors and Affiliations

  • Donald E. Osterbrock
    • 1
  1. 1.UCO/Lick ObservatoryUniversity of CaliforniaSanta CruzUSA

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