Jan Vincents Johannessen

{{Short description|Norwegian physician and hospital manager}}

{{Use dmy dates|date=December 2023}}

{{Infobox person

| name = Jan Vincents Johannessen

| image = Jan Vincents Johannessen IMG 7214.JPG

| birth_date = {{Birth date and age |1941|5|25|df=y}}

| birth_place = Kristiansand, Norway

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| occupation = Physician, cancer researcher, hospital manager

| employer = Norwegian Radium Hospital

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Jan Vincents Johannessen (born 25 May 1941) is a Norwegian physician, cancer researcher, hospital director, painter, text writer and composer.

He was born in Kristiansand. He is known for his research on cancer, and has published books on diagnostics by the use of electron microscopy. He has served as manager of the Norwegian Radium Hospital. He was decorated Commander of the Order of St. Olav in 1994.{{cite encyclopedia|title=Jan Vincents Johannessen |encyclopedia=Norsk biografisk leksikon|first=Jahn |last=Nesland |author-link= |editor=Helle, Knut|publisher=Kunnskapsforlaget |location=Oslo |url=http://snl.no/.nbl_biografi/Jan_Vincents_Johannessen/utdypning |language=Norwegian |access-date=5 September 2013}}{{cite encyclopedia|title=Jan Vincents Johannessen |first= |last= |encyclopedia=Store norske leksikon |editor-last=Godal | editor-first=Anne Marit | editor-link=Anne Marit Godal |publisher=Norsk nettleksikon |location=Oslo |url=http://snl.no/Jan_Vincents_Johannessen |language=Norwegian|access-date=5 September 2013}} He is a fellow of the Norwegian Academy of Technological Sciences.{{cite web|url=http://www.ntva.no/index.php?option=com_club&view=member&id=227%3Ajohannessen-jan-vincents&Itemid=60|title=Medlemmer: JOHANNESSEN, Jan Vincents|publisher=Norwegian Academy of Technological Sciences|language=Norwegian|access-date=29 December 2013}}