{{Short description|German astronomer (1932–2019)}} {{Redirect|Gustav Tammann|the Baltic German chemist-physicist|Gustav Heinrich Tammann}} {{Infobox scientist | name = Gustav Andreas Tammann | image = Gustav_Tammann.jpg | image_size = | alt = | caption = Tammann in 1988 | birth_date = {{birth date|1932|7|24|df=y}} | birth_place = Göttingen, Germany | death_date = {{Death date and age|df=y|2019|1|6|1932|7|24}} | death_place = | relatives = Gustav Heinrich Tammann (grandfather) | residence = | citizenship = | fields = Astronomy | workplaces = University of Hamburg, University of Basel | alma_mater = University of Basel, University of Göttingen | awards = Albert Einstein Medal, Karl Schwarzschild Medal, Tomalla Prize }}
'''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-physicist Gustav Heinrich Tammann.<ref name=S />
==Education and early career== Tammann studied astronomy in Basel, Switzerland and Göttingen, Germany. In 1963 he began a longtime working relationship with Allan Sandage at the Mount Wilson and Palomar observatories.<ref name=AG>{{cite web |url= https://astronomische-gesellschaft.de/en/member/obituaries/prof-dr-gustav-andreas-tammann-1932-2019 |title= Prof. Dr. Gustav Andreas Tammann (1932-2019)|author=<!--Not stated--> |date= |website= Astronomische Gesellschaft |publisher= |access-date= April 28, 2025|quote=}}</ref>
==Academic career== In 1972, he became a professor at the University of Hamburg.<ref name=S>{{cite web |url= https://sps.ch/en/articles/obituaries/gustav_andreas_tammann |title= In Memoriam Gustav Andreas Tammann |author=<!--Not stated--> |date= |website= Swiss Physical Society |publisher= |access-date= April 28, 2025|quote=}}</ref> From 1977 until his retirement, he was a professor and head of the Astronomical Institute at the University of Basel.<ref>{{cite web |url= https://www.eso.org/sci/publications/messenger/archive/no.176-jun19/messenger-no176-58-58.pdf |title= Gustav Andreas Tammann (1932–2019) |author=<!--Not stated--> |date= |website= European Southern Observatory |publisher= |access-date= April 28, 2025|quote=}}</ref>
His work focused mainly on the determination of the Hubble constant as well as the use of supernovae as cosmic distance indicators.<ref>{{cite web |url= https://baas.aas.org/pub/2020i0303/release/1 |title= Gustav Andreas Tammann (1932–2019)|author=<!--Not stated--> |date= |website= American Astronomical Society |publisher= |access-date= April 28, 2025|quote=}}</ref>
==Accolades== In 1991 Tammann became a full member of Academia Europaea, and in 1993 became a corresponding member of the Heidelberg Academy of Sciences and Humanities.<ref>{{cite web|title=Member of HAdW|url=http://www.haw.uni-heidelberg.de/akademie/member.en.html?id=211|website=haw.uni-heidelberg.de|accessdate=8 April 2018|archiveurl=https://web.archive.org/web/20160803221952/http://www.haw.uni-heidelberg.de/akademie/member.en.html?id=211|archivedate=3 August 2016|language=German|url-status=live}}</ref> In 2000 he received the Albert Einstein Medal that is given for "outstanding scientific findings, works, or publications related to Albert Einstein"<ref name="urlAlbert Einstein Medal">{{cite web |url=http://www.nndb.com/honors/166/000115818/|title=Albert Einstein Medal|accessdate=2010-10-27}}</ref> and the Tomalla Prize for his efforts in measuring the expansion rate of the universe and especially for his pioneering work using Supernovae as standard candles.<ref name="urlThe Tomalla Foundation">{{cite web |url=http://www.tomalla.ch/prize_winner.htm|title=The Tomalla Foundation|accessdate=2010-10-27}}</ref> In 2005 he received the Karl Schwarzschild Medal.<ref name=AG />
The asteroid 18872 Tammann was named for him in 2001.<ref name="urlJPL Small-Body Database Browser">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=18872+Tammann |title=Main-belt Asteroid: 18872 Tammann (1999 VR20) |accessdate=2010-10-27 }}</ref>
== Publications == * ''Halleys Komet'' (1985)<ref>{{cite web |url= https://www.abebooks.co.uk/Halleys-Komet-Gustav-A-Tammann-Birkhauser/30792199960/bd |title= Gustav A. Tammann|author=<!--Not stated--> |date= |website= ABE Books |publisher= |access-date= April 28, 2025|quote=}}</ref>
== References == {{reflist}}
== External links == *[http://www.iau.org/administration/membership/individual/2374/ Gustav A. Tammann]
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{{DEFAULTSORT:Tamman, Gustav Andreas}} Category:20th-century Swiss astronomers Category:Albert Einstein Medal recipients Category:1932 births Category:2019 deaths Category:German Christians Category:Swiss Christians Category:Swiss people of German descent Category:Swiss people of Baltic German descent Category:20th-century German astronomers Category:21st-century Swiss astronomers Category:Academic staff of the University of Hamburg