Daniel Cornelius Danielssen
Danielssen was from Bergen, Norway. Dating from 1839, he was associated with St. George's Hospital (Sankt Jørgens Hospital) in Bergen. He later worked with Gerhard Armauer Hansen, discovering the bacteria causing leprosy, and made Bergen a world centre of lepra research in the middle of the nineteenth century. 
With dermatologist Carl Wilhelm Boeck, he was co-author of an acclaimed study on lepra titled Om Spedalskhed (1847). In October 1849, he was named head physician of research at Lungegaard Hospital (Lungegaardshospitalet). In 1859, German pathologist Rudolf Virchow visited Danielssen in Bergen in order to study lepra. 
In 1876–78 he served as a zoologist on a Norwegian expedition to northern waters, and for several years was chairman of the Society for the Advancement of Norwegian Fisheries (Selskabet for de norske Fiskeriers Fremme). Also, for a number of years, Danielssen was a representative of Bergen to the Stortinget , 1862–64, 1871–73 and 1875–76. Danielssen was a member of the Royal Swedish Academy of Sciences from 1877.
- Svein Atle Skålevåg. "Daniel Cornelius Danielssen". Store norske leksikon. Retrieved January 1, 2017.
- Svein Atle Skålevåg. "Sankt Jørgens Hospital". Store norske leksikon. Retrieved January 1, 2017.
- Svein Atle Skålevåg. "St. Jørgen hospital (Lepramuseet)". medisinskhistoriebergen. Retrieved January 1, 2017.
- "Gerhard Armauer Hansen". Store norske leksikon. Retrieved January 1, 2017.
- Daniel Cornelius Danielssen biography @ Who Named It
- "Lungegaardshospitalet". digitalarkivet.uib.no. Retrieved January 1, 2017.
- Ole Daniel Enersen. "Danielssen-Boeck disease". whonamedit.com. Retrieved January 1, 2017.
- "Selskabet for de norske Fiskeriers Fremme". Store norske leksikon. Retrieved January 1, 2017.
- Danielssen’s Sign Our Dermatol Online. 2011; 2(3): 158-170
- Media related to Daniel Cornelius Danielssen at Wikimedia Commons
- Gerhard Henrik Armauer Hansen (1841-1912) @ Bergen Guide, Bergen Norway
- Jorgen Brunchorst (1893) D.C. Danielssen: a biographical sketch Bergens Museum
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