Emil Christian Hansen

Emil Christian Hansen

Born| 8 May 1842 (1842-05-08)

Ribe

Died| 27 August 1909 (1909-08-28) (aged 67)
Nationality| Denmark
Known for| Saccharomyces carlsbergensis
Scientific career
Fields| Mycology
Institutions| Carlsberg Laboratory
Author abbrev. (botany)| E.C.Hansen

Hansen in his lab.

Emil Christian Hansen (8 May 1842 – 27 August 1909) was a Denmark mycologist and fermentation physiologist.

Born in Ribe, he financed his education by writing novels. He was awarded a gold medal in 1876 for an essay on fungi, titled De danske Gjødningssvampe.[1] During his days as a university student in Copenhagen, he worked as an unpaid assistant to zoologist Japetus Steenstrup (1813–1897). In 1876, with Alfred Jørgensen (1848–1925), he published a Danish translation of Charles Darwin’s "The Voyage of the Beagle"; Rejse om Jorden. From 1879 to 1909, he was director of the physiological department at Carlsberg Laboratory.[2]

Hired by the Carlsberg Laboratory in Copenhagen in 1879,[3] he became the first to isolate a pure cell of yeast in 1883, and after combining it with a sugary solution, produced more yeast than was in a yeast bank. It was named as Saccharomyces carlsbergensis after the laboratory, and is the yeast from which are derived, all yeasts used in lager beers.[4] See Fermentation, Yeast.

Hansen is the taxonomic authority of the fungal genus Anixiopsis (1897) from the family Onygenaceae.[5]

## Publications by Hansen that have been translated into English

* Practical studies in fermentation: being contributions to the life history of micro-organisms, 1896.
* Considerations on Technical Mycology, 1905.[6]

The standard author abbreviation E.C.Hansen is used to indicate this person as the author when citing a botanical name.[7]

## Literature

* Claussen, Niels Hjelte Emil Christian Hansen, pp. 161–164 in: Meisen, V. Prominent Danish Scientists through the Ages. University Library of Copenhagen 450th Anniversary. Levin & Munksgaard, Copenhagen (1932)
* Beer in Health and Disease Prevention edited by Victor R. Preedy

## References

1. ↑ Encyclopedia.com (biography)
2. ↑ Darwinarkivet (biographical information)
3. ↑ www.germanbeerinstitute.com
4. ↑ Olesen, K; Felding, T; Gjermansen, C; Hansen, J (2002). "The dynamics of the Saccharomyces carlsbergensis brewing yeast transcriptome during a production-scale lager beer fermentation". FEMS Yeast Res 2 (4): 563–73. doi:10.1016/s1567-1356(02)00155-1. PMID 12702272.
5. ↑ Encyclopedia of Life Anixiopsis
6. ↑ WorldCat Search (publications)
7. ↑ IPNI, E.C.Hansen, http://www.ipni.org/ipni/advAuthorSearch.do?find_abbreviation=E.C.Hansen

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