Marit Ellen Christiansen
Research assistant /research scholar at UiO (1951-55 and 1965-68) and Tromsø Museum (1955-65). Curator 1968, senior curator 1974, professor 1987, Zoological Museum, UiO. Dr. philos. 1974, UiO. Visiting scholar at Duke University Marine Laboratory, N.C., USA (several periods 1972-79).
Taxonomy, systematics, marine zoogeography, biology and ecology of Crustacea Decapoda in North Atlantic waters. Effects of environmental toxins on developmental stages of Decapoda Brachyura.