Education
University of Copenhagen.
biologist university professor
University of Copenhagen.
He was a pioneer in Danish nature conservation early in the 20th century.
Royal Swedish Academy of Sciences]
He was a member of the Royal Danish Academy of Sciences and Letters from 1918. He was a member of many foreign academies and learned societies, e.g. honorary fellow of the Royal Society in London, corresponding member of the Zoological Society of London and of the Quekett Microscopical Club in London.
