Gustav Andreas Tammann, German astronomer and academic
Gustav Andreas Tammann (24 July 1932 – 6 January 2019) was a German astronomer and academic. He served as director of the Astronomical Institute of the University of Basel; as a member of the European Space Agency Space Telescope Advisory Team, and as Member of Council of the European Southern Observatory. His research interests include supernovae and the extragalactic distance scale. Tammann was a former President of the International Astronomical Union Commission on Galaxies.