# Hans Trass

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Estonian ecologist and botanist

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Hans Trass Hans Trass 2009 Born (1928-05-02)May 2, 1928 Tartu, Estonia Died February 14, 2017(2017-02-14) (aged 88) Tartu, Estonia Scientific career Fields Ecology, Botany

**Hans-Voldemar Trass** (2 May 1928 – 14 February 2017) was an [Estonian](/source/Estonia) [ecologist](/source/Ecologist) and [botanist](/source/Botanist). He was a member of the [Estonian Academy of Sciences](/source/Estonian_Academy_of_Sciences) since 1975 and president of the [Estonian Naturalists' Society](/source/Estonian_Naturalists'_Society) from 1964 to 1973 and 1985 to 1991. In 1992, Trass was awarded the [Acharius Medal](/source/Acharius_Medal) by the [International Association for Lichenology](/source/International_Association_for_Lichenology).[1]

Trass was married to Estonian actress [Raine Loo](/source/Raine_Loo). The couple had a son, composer and organist Toomas Trass.[2]

Trass died in [Tartu, Estonia](/source/Tartu), on 14 February 2017, aged 88.[3][4]

## References

1. **[^](#cite_ref-1)** ["Acharius Medallists"](http://www.lichenology.org). International Association for Lichenology. Retrieved 27 September 2015.

1. **[^](#cite_ref-2)** [Teater. Muusika. Kino / 08-09 / 2000 -Persona Grata Toomas Trass ...](http://ares.nlib.ee/TMK/2000/08_09/b14215251.html) [Archived](https://web.archive.org/web/20161220224142/http://ares.nlib.ee/TMK/2000/08_09/b14215251.html) 2016-12-20 at the [Wayback Machine](/source/Wayback_Machine) Retrieved 17 December 2016.

1. **[^](#cite_ref-3)** Hanson, Raimu (14 February 2017). ["Suri akadeemik Hans-Voldemar Trass"](http://tartu.postimees.ee/4014865/suri-akadeemik-hans-voldemar-trass?utm_source). *Tartu Postimees* (in Estonian). Retrieved 2017-02-15.

1. **[^](#cite_ref-4)** ["Hans-Voldemar Trass 02.05.1928–14.02.2017 in memoriam"](https://ojs.utlib.ee/index.php/FCE/article/download/fce.2017.54.18/8952/12154). *[Tartu University Library](/source/Tartu_University_Library)*. 2017. Retrieved July 18, 2024.

## External links

- [Estonian Academy of Sciences](http://www.akadeemia.ee/et/liikmeskond/_liikmed/trass) [Archived](https://web.archive.org/web/20080915052722/http://www.akadeemia.ee/et/liikmeskond/_liikmed/trass/) 2008-09-15 at the [Wayback Machine](/source/Wayback_Machine)

- [Citation for 1992 Acharius Medal](http://www.lichenology.org/Awards/Acharius_Trass.html) [Archived](https://web.archive.org/web/20070310221724/http://www.lichenology.org/Awards/Acharius_Trass.html) 2007-03-10 at the [Wayback Machine](/source/Wayback_Machine) by [Teuvo Ahti](/source/Teuvo_Ahti)

v t e Recipients of the Acharius Medal Kansri Boonpragob (2024) Per Magnus Jørgensen (2021) James D. Lawrey (2021) William Alfred Weber (2018) Allan Green (2016) Josef Hafellner (2016) Bruce McCune (2016) Peter Crittenden (2014) Pier Luigi Nimis (2014) Ana Crespo (2012) Leif Tibell (2012) Brian John Coppins (2010) Thomas Hawkes Nash III (2010) David Galloway (2008) Hannes Hertel (2008) Rosmarie Honegger (2008) Mark Seaward (2006) Jack Elix (2004) Ludger Kappen (2004) Marie-Agnès Letrouit-Galinou (2004) David Cecil Smith (2003) David Leslie Hawksworth (2002) Teuvo Ahti (2000) Georges Clauzade (2000) Nina Golubkova (2000) Vernon Ahmadjian (1996) Siegfried Huneck (1996) Christian Leuckert (1996) Ernie Brodo (1994) Margalith Galun (1994) Syo Kurokawa (1994) Elisabeth Tschermak-Woess (1994) Dharani Awasthi (1992) Chicita F. Culberson (1992) William Louis Culberson (1992) Gunnar Degelius (1992) Aino Henssen (1992) Peter James (1992) Hildur Krog (1992) Otto Ludwig Lange (1992) Josef Poelt (1992) Rolf Santesson (1992) John Walter Thomson (1992) Hans Trass (1992) Antonín Vězda (1992)

Authority control databases International ISNI VIAF GND FAST WorldCat National United States Netherlands Latvia Academics International Plant Names Index Other IdRef Yale LUX

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