Gustav Andreas Tammann

Gustav Andreas Tammann (24 July 1932 – 6 January 2019) was a Swiss 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 included supernovae and the extragalactic distance scale. Tammann was a former President of the International Astronomical Union Commission on Galaxies.

Tammann is the grandson of chemist Gustav Heinrich Tammann. Provided by Wikipedia