Swedish marine biologist. Travelled to Spitsbergen and northern Norway, 1836–7. Curator of the invertebrate section of the Museum of Natural History, Stockholm, from 1840. Studied shell banks on the west coast of Sweden, providing evidence that an Arctic sea had once covered much of the present Scandinavian land-mass.
Sources: Catalogue of the library of the British Museum (Natural History) DSB SBL. (See the bibliography for full references to sources)