Norwegian chemist
Bjørg Cyvin (born 1932) is a Norwegian chemist and researcher. 
Biography.
Bjørg Nygaard earned her diploma as a civil engineer in 1956 at the Department of Industrial Chemistry at the Norwegian Institute of Technology (NTH) in Trondheim. 
The following year, she was employed as a researcher at the institute's Department of Industrial Chemistry. There she collaborated with, among others, the institute's founder and head, Olav Notevarp, on research into the connection between fatty acids in the diet and occurrences of arteriosclerosis and cardiovascular diseases. Among other things, they determined the importance of a diet rich in polyunsaturated fat. 
In 1958 or 1959, she married the chemist Sven Josef Cyvin (1931–2013), and took his surname.  The married couple were also research colleagues. Together with her husband and fellow researcher, she received the Fridtjof Nansen Prize for Outstanding Research in 1995.
She has been widely published, often in collaboration with her husband.
References.
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