Career
In 1960 he emigrated from Norway to United States of America, and from then he worked in National Museum of Natural History for the Smithsonian Institution as an author and lecturer, now retired. Sandved"s book The world of music is described by The Independent"s Robert Fisk as ".. a weighty heart attack of a book", and his book Leaves: The Formation, Characteristics, and Uses of Hundreds of Leaves Foundation in All Parts of the World is described by Tibor Fuchs as "Stunning photos and informative text about all kinds of leaves, including many that houseplant lovers have in their homes." In the City Room blog at New York Times written by the staff