Category:Ole Theodor Jensen Mortensen

**Ole Theodor Jensen Mortensen**
	Danish scientist and professor at the Zoological Museum, Copenhagen (1868-1952)
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Date of birth	22 February 1868; Harløse
Date of death	3 April 1952; Frederiksberg
Country of citizenship	Kingdom of Denmark;
Educated at	Frederiksborg Gymnasium og HF (–1885);
Occupation	zoologist; university teacher;
Member of	Royal Swedish Academy of Sciences; Royal Danish Academy of Sciences and Letters (1920–);
Field of work	zoology;
Award received	Linnean Medal (1951); Honorary Fellow of the Royal Society Te Apārangi;
Authority file
	Q5994625; ISNI: 0000000083703086; VIAF ID: 99145970005932250485; GND ID: 116935219; Library of Congress authority ID: n80017495; Bibliothèque nationale de France ID: 129552103; IdRef ID: 057038821; NL CR AUT ID: mub2016902021; SELIBR ID: 348522; Nationale Thesaurus voor Auteursnamen ID: 147358701; NORAF ID: 7043683; NUKAT ID: n2012165426; Libris-URI: vs69g9md56t3kqk; National Library of Israel J9U ID: 987007279695905171; NACSIS-CAT author ID: DA14448885; Open Library ID: OL116464A, OL6629523A; Stuttgart Database of Scientific Illustrators ID: 8896
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English: Ole Theodor Jensen Mortensen, also known as Theodor Mortensen (22 February 1868 – 3 April 1952) was a Danish scientist and professor at the Zoological Museum, Copenhagen. He specialized in sea urchins (Echinoidea) and provided an enormous marine collection to the museum. He collected many sea urchin species on his expeditions between 1899-1930.