John Grue is a Norwegian applied mathematician noted for his contributions to marine hydrodynamics and internal waves.

He took the cand.real. degree in 1982 and the dr.philos. degree in 1987, both at the University of Oslo

University of Oslo

The University of Oslo , formerly The Royal Frederick University , is the oldest and largest university in Norway, situated in the Norwegian capital of Oslo. The university was founded in 1811 and was modelled after the recently established University of Berlin...

. He stayed at the Massachusetts Institute of Technology

Massachusetts Institute of Technology

The Massachusetts Institute of Technology is a private research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing a total of 32 academic departments, with a strong emphasis on scientific and technological education and research.Founded in 1861 in...

 from 1987 to 1988, and was appointed associate professor at the University of Oslo in 1990. In 1994 he was promoted to professor. He is a member of the Norwegian Academy of Science and Letters

Norwegian Academy of Science and Letters

The Norwegian Academy of Science and Letters is a learned society based in Oslo, Norway.-History:The University of Oslo was established in 1811. The idea of a learned society in Christiania surfaced for the first time in 1841. The city of Throndhjem had no university, but had a learned...

.